18498230740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{2131}}^1$

素因数の和:2390

約数の個数: 144

約数和(自身を含む): 45446087232

約数和(自身を除く): 26947856492

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 121, 170, 187, 211, 220, 242, 340, 374, 422, 484, 605, 748, 844, 935, 1055, 1210, 1870, 2057, 2110, 2131, 2321, 2420, 3587, 3740, 4114, 4220, 4262, 4642, 7174, 8228, 8524, 9284, 10285, 10655, 11605, 14348, 17935, 20570, 21310, 23210, 23441, 25531, 35870, 36227, 39457, 41140, 42620, 46420, 46882, 51062, 71740, 72454, 78914, 93764, 102124, 117205, 127655, 144908, 157828, 181135, 197285, 234410, 255310, 257851, 362270, 394570, 398497, 434027, 449641, 468820, 510620, 515702, 724540, 789140, 796994, 868054, 899282, 1031404, 1289255, 1593988, 1736108, 1798564, 1992485, 2170135, 2248205, 2578510, 3984970, 4340270, 4383467, 4496410, 4946051, 5157020, 7643897, 7969940, 8680540, 8766934, 8992820, 9892102, 15287794, 17533868, 19784204, 21917335, 24730255, 30575588, 38219485, 43834670, 49460510, 54406561, 76438970, 84082867, 87669340, 98921020, 108813122, 152877940, 168165734, 217626244, 272032805, 336331468, 420414335, 544065610, 840828670, 924911537, 1088131220, 1681657340, 1849823074, 3699646148, 4624557685, 9249115370, 18498230740]

約数ペア:

[(1, 18498230740), (2, 9249115370), (4, 4624557685), (5, 3699646148), (10, 1849823074), (11, 1681657340), (17, 1088131220), (20, 924911537), (22, 840828670), (34, 544065610), (44, 420414335), (55, 336331468), (68, 272032805), (85, 217626244), (110, 168165734), (121, 152877940), (170, 108813122), (187, 98921020), (211, 87669340), (220, 84082867), (242, 76438970), (340, 54406561), (374, 49460510), (422, 43834670), (484, 38219485), (605, 30575588), (748, 24730255), (844, 21917335), (935, 19784204), (1055, 17533868), (1210, 15287794), (1870, 9892102), (2057, 8992820), (2110, 8766934), (2131, 8680540), (2321, 7969940), (2420, 7643897), (3587, 5157020), (3740, 4946051), (4114, 4496410), (4220, 4383467), (4262, 4340270), (4642, 3984970), (7174, 2578510), (8228, 2248205), (8524, 2170135), (9284, 1992485), (10285, 1798564), (10655, 1736108), (11605, 1593988), (14348, 1289255), (17935, 1031404), (20570, 899282), (21310, 868054), (23210, 796994), (23441, 789140), (25531, 724540), (35870, 515702), (36227, 510620), (39457, 468820), (41140, 449641), (42620, 434027), (46420, 398497), (46882, 394570), (51062, 362270), (71740, 257851), (72454, 255310), (78914, 234410), (93764, 197285), (102124, 181135), (117205, 157828), (127655, 144908)]