18511710

素因数分解:

$2^1\times 3^1\times 5^1\times 7^4\times {\mathrm{257}}^1$

素因数の和:295

約数の個数: 80

約数和(自身を含む): 52031376

約数和(自身を除く): 33519666

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 257, 294, 343, 490, 514, 686, 735, 771, 1029, 1285, 1470, 1542, 1715, 1799, 2058, 2401, 2570, 3430, 3598, 3855, 4802, 5145, 5397, 7203, 7710, 8995, 10290, 10794, 12005, 12593, 14406, 17990, 24010, 25186, 26985, 36015, 37779, 53970, 62965, 72030, 75558, 88151, 125930, 176302, 188895, 264453, 377790, 440755, 528906, 617057, 881510, 1234114, 1322265, 1851171, 2644530, 3085285, 3702342, 6170570, 9255855, 18511710]

約数ペア:

[(1, 18511710), (2, 9255855), (3, 6170570), (5, 3702342), (6, 3085285), (7, 2644530), (10, 1851171), (14, 1322265), (15, 1234114), (21, 881510), (30, 617057), (35, 528906), (42, 440755), (49, 377790), (70, 264453), (98, 188895), (105, 176302), (147, 125930), (210, 88151), (245, 75558), (257, 72030), (294, 62965), (343, 53970), (490, 37779), (514, 36015), (686, 26985), (735, 25186), (771, 24010), (1029, 17990), (1285, 14406), (1470, 12593), (1542, 12005), (1715, 10794), (1799, 10290), (2058, 8995), (2401, 7710), (2570, 7203), (3430, 5397), (3598, 5145), (3855, 4802)]