18505620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{773}}^1$

素因数の和:814

約数の個数: 144

約数和(自身を含む): 67616640

約数和(自身を除く): 49111020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 773, 798, 855, 1140, 1197, 1260, 1330, 1546, 1596, 1710, 1995, 2319, 2394, 2660, 3092, 3420, 3865, 3990, 4638, 4788, 5411, 5985, 6957, 7730, 7980, 9276, 10822, 11595, 11970, 13914, 14687, 15460, 16233, 21644, 23190, 23940, 27055, 27828, 29374, 32466, 34785, 44061, 46380, 48699, 54110, 58748, 64932, 69570, 73435, 81165, 88122, 97398, 102809, 108220, 132183, 139140, 146870, 162330, 176244, 194796, 205618, 220305, 243495, 264366, 293740, 308427, 324660, 411236, 440610, 486990, 514045, 528732, 616854, 660915, 881220, 925281, 973980, 1028090, 1233708, 1321830, 1542135, 1850562, 2056180, 2643660, 3084270, 3701124, 4626405, 6168540, 9252810, 18505620]

約数ペア:

[(1, 18505620), (2, 9252810), (3, 6168540), (4, 4626405), (5, 3701124), (6, 3084270), (7, 2643660), (9, 2056180), (10, 1850562), (12, 1542135), (14, 1321830), (15, 1233708), (18, 1028090), (19, 973980), (20, 925281), (21, 881220), (28, 660915), (30, 616854), (35, 528732), (36, 514045), (38, 486990), (42, 440610), (45, 411236), (57, 324660), (60, 308427), (63, 293740), (70, 264366), (76, 243495), (84, 220305), (90, 205618), (95, 194796), (105, 176244), (114, 162330), (126, 146870), (133, 139140), (140, 132183), (171, 108220), (180, 102809), (190, 97398), (210, 88122), (228, 81165), (252, 73435), (266, 69570), (285, 64932), (315, 58748), (342, 54110), (380, 48699), (399, 46380), (420, 44061), (532, 34785), (570, 32466), (630, 29374), (665, 27828), (684, 27055), (773, 23940), (798, 23190), (855, 21644), (1140, 16233), (1197, 15460), (1260, 14687), (1330, 13914), (1546, 11970), (1596, 11595), (1710, 10822), (1995, 9276), (2319, 7980), (2394, 7730), (2660, 6957), (3092, 5985), (3420, 5411), (3865, 4788), (3990, 4638)]