18965064

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:139

約数の個数: 128

約数和(自身を含む): 54743040

約数和(自身を除く): 35777976

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 23, 24, 34, 43, 46, 47, 51, 68, 69, 86, 92, 94, 102, 129, 136, 138, 141, 172, 184, 188, 204, 258, 276, 282, 344, 376, 391, 408, 516, 552, 564, 731, 782, 799, 989, 1032, 1081, 1128, 1173, 1462, 1564, 1598, 1978, 2021, 2162, 2193, 2346, 2397, 2924, 2967, 3128, 3196, 3243, 3956, 4042, 4324, 4386, 4692, 4794, 5848, 5934, 6063, 6392, 6486, 7912, 8084, 8648, 8772, 9384, 9588, 11868, 12126, 12972, 16168, 16813, 17544, 18377, 19176, 23736, 24252, 25944, 33626, 34357, 36754, 46483, 48504, 50439, 55131, 67252, 68714, 73508, 92966, 100878, 103071, 110262, 134504, 137428, 139449, 147016, 185932, 201756, 206142, 220524, 274856, 278898, 371864, 403512, 412284, 441048, 557796, 790211, 824568, 1115592, 1580422, 2370633, 3160844, 4741266, 6321688, 9482532, 18965064]

約数ペア:

[(1, 18965064), (2, 9482532), (3, 6321688), (4, 4741266), (6, 3160844), (8, 2370633), (12, 1580422), (17, 1115592), (23, 824568), (24, 790211), (34, 557796), (43, 441048), (46, 412284), (47, 403512), (51, 371864), (68, 278898), (69, 274856), (86, 220524), (92, 206142), (94, 201756), (102, 185932), (129, 147016), (136, 139449), (138, 137428), (141, 134504), (172, 110262), (184, 103071), (188, 100878), (204, 92966), (258, 73508), (276, 68714), (282, 67252), (344, 55131), (376, 50439), (391, 48504), (408, 46483), (516, 36754), (552, 34357), (564, 33626), (731, 25944), (782, 24252), (799, 23736), (989, 19176), (1032, 18377), (1081, 17544), (1128, 16813), (1173, 16168), (1462, 12972), (1564, 12126), (1598, 11868), (1978, 9588), (2021, 9384), (2162, 8772), (2193, 8648), (2346, 8084), (2397, 7912), (2924, 6486), (2967, 6392), (3128, 6063), (3196, 5934), (3243, 5848), (3956, 4794), (4042, 4692), (4324, 4386)]