18792900

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:203

約数の個数: 216

約数和(自身を含む): 71314880

約数和(自身を除く): 52521980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 25, 28, 30, 35, 36, 38, 42, 45, 50, 57, 60, 63, 70, 75, 76, 84, 90, 95, 100, 105, 114, 126, 133, 140, 150, 157, 171, 175, 180, 190, 210, 225, 228, 252, 266, 285, 300, 314, 315, 342, 350, 380, 399, 420, 450, 471, 475, 525, 532, 570, 628, 630, 665, 684, 700, 785, 798, 855, 900, 942, 950, 1050, 1099, 1140, 1197, 1260, 1330, 1413, 1425, 1570, 1575, 1596, 1710, 1884, 1900, 1995, 2100, 2198, 2355, 2394, 2660, 2826, 2850, 2983, 3140, 3150, 3297, 3325, 3420, 3925, 3990, 4275, 4396, 4710, 4788, 5495, 5652, 5700, 5966, 5985, 6300, 6594, 6650, 7065, 7850, 7980, 8550, 8949, 9420, 9891, 9975, 10990, 11775, 11932, 11970, 13188, 13300, 14130, 14915, 15700, 16485, 17100, 17898, 19782, 19950, 20881, 21980, 23550, 23940, 26847, 27475, 28260, 29830, 29925, 32970, 35325, 35796, 39564, 39900, 41762, 44745, 47100, 49455, 53694, 54950, 59660, 59850, 62643, 65940, 70650, 74575, 82425, 83524, 89490, 98910, 104405, 107388, 109900, 119700, 125286, 134235, 141300, 149150, 164850, 178980, 187929, 197820, 208810, 223725, 247275, 250572, 268470, 298300, 313215, 329700, 375858, 417620, 447450, 494550, 522025, 536940, 626430, 671175, 751716, 894900, 939645, 989100, 1044050, 1252860, 1342350, 1566075, 1879290, 2088100, 2684700, 3132150, 3758580, 4698225, 6264300, 9396450, 18792900]

約数ペア:

[(1, 18792900), (2, 9396450), (3, 6264300), (4, 4698225), (5, 3758580), (6, 3132150), (7, 2684700), (9, 2088100), (10, 1879290), (12, 1566075), (14, 1342350), (15, 1252860), (18, 1044050), (19, 989100), (20, 939645), (21, 894900), (25, 751716), (28, 671175), (30, 626430), (35, 536940), (36, 522025), (38, 494550), (42, 447450), (45, 417620), (50, 375858), (57, 329700), (60, 313215), (63, 298300), (70, 268470), (75, 250572), (76, 247275), (84, 223725), (90, 208810), (95, 197820), (100, 187929), (105, 178980), (114, 164850), (126, 149150), (133, 141300), (140, 134235), (150, 125286), (157, 119700), (171, 109900), (175, 107388), (180, 104405), (190, 98910), (210, 89490), (225, 83524), (228, 82425), (252, 74575), (266, 70650), (285, 65940), (300, 62643), (314, 59850), (315, 59660), (342, 54950), (350, 53694), (380, 49455), (399, 47100), (420, 44745), (450, 41762), (471, 39900), (475, 39564), (525, 35796), (532, 35325), (570, 32970), (628, 29925), (630, 29830), (665, 28260), (684, 27475), (700, 26847), (785, 23940), (798, 23550), (855, 21980), (900, 20881), (942, 19950), (950, 19782), (1050, 17898), (1099, 17100), (1140, 16485), (1197, 15700), (1260, 14915), (1330, 14130), (1413, 13300), (1425, 13188), (1570, 11970), (1575, 11932), (1596, 11775), (1710, 10990), (1884, 9975), (1900, 9891), (1995, 9420), (2100, 8949), (2198, 8550), (2355, 7980), (2394, 7850), (2660, 7065), (2826, 6650), (2850, 6594), (2983, 6300), (3140, 5985), (3150, 5966), (3297, 5700), (3325, 5652), (3420, 5495), (3925, 4788), (3990, 4710), (4275, 4396)]