18801810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{293}}^1$

素因数の和:360

約数の個数: 96

約数和(自身を含む): 52835328

約数和(自身を除く): 34033518

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 31, 45, 46, 62, 69, 90, 93, 115, 138, 155, 186, 207, 230, 279, 293, 310, 345, 414, 465, 558, 586, 690, 713, 879, 930, 1035, 1395, 1426, 1465, 1758, 2070, 2139, 2637, 2790, 2930, 3565, 4278, 4395, 5274, 6417, 6739, 7130, 8790, 9083, 10695, 12834, 13185, 13478, 18166, 20217, 21390, 26370, 27249, 32085, 33695, 40434, 45415, 54498, 60651, 64170, 67390, 81747, 90830, 101085, 121302, 136245, 163494, 202170, 208909, 272490, 303255, 408735, 417818, 606510, 626727, 817470, 1044545, 1253454, 1880181, 2089090, 3133635, 3760362, 6267270, 9400905, 18801810]

約数ペア:

[(1, 18801810), (2, 9400905), (3, 6267270), (5, 3760362), (6, 3133635), (9, 2089090), (10, 1880181), (15, 1253454), (18, 1044545), (23, 817470), (30, 626727), (31, 606510), (45, 417818), (46, 408735), (62, 303255), (69, 272490), (90, 208909), (93, 202170), (115, 163494), (138, 136245), (155, 121302), (186, 101085), (207, 90830), (230, 81747), (279, 67390), (293, 64170), (310, 60651), (345, 54498), (414, 45415), (465, 40434), (558, 33695), (586, 32085), (690, 27249), (713, 26370), (879, 21390), (930, 20217), (1035, 18166), (1395, 13478), (1426, 13185), (1465, 12834), (1758, 10695), (2070, 9083), (2139, 8790), (2637, 7130), (2790, 6739), (2930, 6417), (3565, 5274), (4278, 4395)]