18105912972

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{540217}}^1$

素因数の和:540260

約数の個数: 108

約数和(自身を含む): 56042215320

約数和(自身を除く): 37936302348

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 49, 57, 63, 76, 84, 98, 114, 126, 133, 147, 171, 196, 228, 252, 266, 294, 342, 399, 441, 532, 588, 684, 798, 882, 931, 1197, 1596, 1764, 1862, 2394, 2793, 3724, 4788, 5586, 8379, 11172, 16758, 33516, 540217, 1080434, 1620651, 2160868, 3241302, 3781519, 4861953, 6482604, 7563038, 9723906, 10264123, 11344557, 15126076, 19447812, 20528246, 22689114, 26470633, 30792369, 34033671, 41056492, 45378228, 52941266, 61584738, 68067342, 71848861, 79411899, 92377107, 105882532, 123169476, 136134684, 143697722, 158823798, 184754214, 215546583, 238235697, 287395444, 317647596, 369508428, 431093166, 476471394, 502942027, 646639749, 862186332, 952942788, 1005884054, 1293279498, 1508826081, 2011768108, 2586558996, 3017652162, 4526478243, 6035304324, 9052956486, 18105912972]

約数ペア:

[(1, 18105912972), (2, 9052956486), (3, 6035304324), (4, 4526478243), (6, 3017652162), (7, 2586558996), (9, 2011768108), (12, 1508826081), (14, 1293279498), (18, 1005884054), (19, 952942788), (21, 862186332), (28, 646639749), (36, 502942027), (38, 476471394), (42, 431093166), (49, 369508428), (57, 317647596), (63, 287395444), (76, 238235697), (84, 215546583), (98, 184754214), (114, 158823798), (126, 143697722), (133, 136134684), (147, 123169476), (171, 105882532), (196, 92377107), (228, 79411899), (252, 71848861), (266, 68067342), (294, 61584738), (342, 52941266), (399, 45378228), (441, 41056492), (532, 34033671), (588, 30792369), (684, 26470633), (798, 22689114), (882, 20528246), (931, 19447812), (1197, 15126076), (1596, 11344557), (1764, 10264123), (1862, 9723906), (2394, 7563038), (2793, 6482604), (3724, 4861953), (4788, 3781519), (5586, 3241302), (8379, 2160868), (11172, 1620651), (16758, 1080434), (33516, 540217)]