18489888

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:175

約数の個数: 144

約数和(自身を含む): 57657600

約数和(自身を除く): 39167712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 31, 32, 36, 38, 48, 57, 62, 72, 76, 93, 96, 109, 114, 124, 144, 152, 171, 186, 218, 228, 248, 279, 288, 304, 327, 342, 372, 436, 456, 496, 558, 589, 608, 654, 684, 744, 872, 912, 981, 992, 1116, 1178, 1308, 1368, 1488, 1744, 1767, 1824, 1962, 2071, 2232, 2356, 2616, 2736, 2976, 3379, 3488, 3534, 3924, 4142, 4464, 4712, 5232, 5301, 5472, 6213, 6758, 7068, 7848, 8284, 8928, 9424, 10137, 10464, 10602, 12426, 13516, 14136, 15696, 16568, 18639, 18848, 20274, 21204, 24852, 27032, 28272, 30411, 31392, 33136, 37278, 40548, 42408, 49704, 54064, 56544, 60822, 64201, 66272, 74556, 81096, 84816, 99408, 108128, 121644, 128402, 149112, 162192, 169632, 192603, 198816, 243288, 256804, 298224, 324384, 385206, 486576, 513608, 577809, 596448, 770412, 973152, 1027216, 1155618, 1540824, 2054432, 2311236, 3081648, 4622472, 6163296, 9244944, 18489888]

約数ペア:

[(1, 18489888), (2, 9244944), (3, 6163296), (4, 4622472), (6, 3081648), (8, 2311236), (9, 2054432), (12, 1540824), (16, 1155618), (18, 1027216), (19, 973152), (24, 770412), (31, 596448), (32, 577809), (36, 513608), (38, 486576), (48, 385206), (57, 324384), (62, 298224), (72, 256804), (76, 243288), (93, 198816), (96, 192603), (109, 169632), (114, 162192), (124, 149112), (144, 128402), (152, 121644), (171, 108128), (186, 99408), (218, 84816), (228, 81096), (248, 74556), (279, 66272), (288, 64201), (304, 60822), (327, 56544), (342, 54064), (372, 49704), (436, 42408), (456, 40548), (496, 37278), (558, 33136), (589, 31392), (608, 30411), (654, 28272), (684, 27032), (744, 24852), (872, 21204), (912, 20274), (981, 18848), (992, 18639), (1116, 16568), (1178, 15696), (1308, 14136), (1368, 13516), (1488, 12426), (1744, 10602), (1767, 10464), (1824, 10137), (1962, 9424), (2071, 8928), (2232, 8284), (2356, 7848), (2616, 7068), (2736, 6758), (2976, 6213), (3379, 5472), (3488, 5301), (3534, 5232), (3924, 4712), (4142, 4464)]