19377540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{13}}^3$

素因数の和:68

約数の個数: 216

約数和(自身を含む): 74070360

約数和(自身を除く): 54692820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 49, 52, 60, 63, 65, 70, 78, 84, 90, 91, 98, 105, 117, 126, 130, 140, 147, 156, 169, 180, 182, 195, 196, 210, 234, 245, 252, 260, 273, 294, 315, 338, 364, 390, 420, 441, 455, 468, 490, 507, 546, 585, 588, 630, 637, 676, 735, 780, 819, 845, 882, 910, 980, 1014, 1092, 1170, 1183, 1260, 1274, 1365, 1470, 1521, 1638, 1690, 1764, 1820, 1911, 2028, 2197, 2205, 2340, 2366, 2535, 2548, 2730, 2940, 3042, 3185, 3276, 3380, 3549, 3822, 4095, 4394, 4410, 4732, 5070, 5460, 5733, 5915, 6084, 6370, 6591, 7098, 7605, 7644, 8190, 8281, 8788, 8820, 9555, 10140, 10647, 10985, 11466, 11830, 12740, 13182, 14196, 15210, 15379, 16380, 16562, 17745, 19110, 19773, 21294, 21970, 22932, 23660, 24843, 26364, 28665, 30420, 30758, 32955, 33124, 35490, 38220, 39546, 41405, 42588, 43940, 46137, 49686, 53235, 57330, 61516, 65910, 70980, 74529, 76895, 79092, 82810, 92274, 98865, 99372, 106470, 107653, 114660, 124215, 131820, 138411, 149058, 153790, 165620, 184548, 197730, 212940, 215306, 230685, 248430, 276822, 298116, 307580, 322959, 372645, 395460, 430612, 461370, 496860, 538265, 553644, 645918, 692055, 745290, 922740, 968877, 1076530, 1291836, 1384110, 1490580, 1614795, 1937754, 2153060, 2768220, 3229590, 3875508, 4844385, 6459180, 9688770, 19377540]

約数ペア:

[(1, 19377540), (2, 9688770), (3, 6459180), (4, 4844385), (5, 3875508), (6, 3229590), (7, 2768220), (9, 2153060), (10, 1937754), (12, 1614795), (13, 1490580), (14, 1384110), (15, 1291836), (18, 1076530), (20, 968877), (21, 922740), (26, 745290), (28, 692055), (30, 645918), (35, 553644), (36, 538265), (39, 496860), (42, 461370), (45, 430612), (49, 395460), (52, 372645), (60, 322959), (63, 307580), (65, 298116), (70, 276822), (78, 248430), (84, 230685), (90, 215306), (91, 212940), (98, 197730), (105, 184548), (117, 165620), (126, 153790), (130, 149058), (140, 138411), (147, 131820), (156, 124215), (169, 114660), (180, 107653), (182, 106470), (195, 99372), (196, 98865), (210, 92274), (234, 82810), (245, 79092), (252, 76895), (260, 74529), (273, 70980), (294, 65910), (315, 61516), (338, 57330), (364, 53235), (390, 49686), (420, 46137), (441, 43940), (455, 42588), (468, 41405), (490, 39546), (507, 38220), (546, 35490), (585, 33124), (588, 32955), (630, 30758), (637, 30420), (676, 28665), (735, 26364), (780, 24843), (819, 23660), (845, 22932), (882, 21970), (910, 21294), (980, 19773), (1014, 19110), (1092, 17745), (1170, 16562), (1183, 16380), (1260, 15379), (1274, 15210), (1365, 14196), (1470, 13182), (1521, 12740), (1638, 11830), (1690, 11466), (1764, 10985), (1820, 10647), (1911, 10140), (2028, 9555), (2197, 8820), (2205, 8788), (2340, 8281), (2366, 8190), (2535, 7644), (2548, 7605), (2730, 7098), (2940, 6591), (3042, 6370), (3185, 6084), (3276, 5915), (3380, 5733), (3549, 5460), (3822, 5070), (4095, 4732), (4394, 4410)]