18679968

素因数分解:

$2^5\times 3^2\times {\mathrm{37}}^1\times {\mathrm{1753}}^1$

素因数の和:1806

約数の個数: 72

約数和(自身を含む): 54587988

約数和(自身を除く): 35908020

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 48, 72, 74, 96, 111, 144, 148, 222, 288, 296, 333, 444, 592, 666, 888, 1184, 1332, 1753, 1776, 2664, 3506, 3552, 5259, 5328, 7012, 10518, 10656, 14024, 15777, 21036, 28048, 31554, 42072, 56096, 63108, 64861, 84144, 126216, 129722, 168288, 194583, 252432, 259444, 389166, 504864, 518888, 583749, 778332, 1037776, 1167498, 1556664, 2075552, 2334996, 3113328, 4669992, 6226656, 9339984, 18679968]

約数ペア:

[(1, 18679968), (2, 9339984), (3, 6226656), (4, 4669992), (6, 3113328), (8, 2334996), (9, 2075552), (12, 1556664), (16, 1167498), (18, 1037776), (24, 778332), (32, 583749), (36, 518888), (37, 504864), (48, 389166), (72, 259444), (74, 252432), (96, 194583), (111, 168288), (144, 129722), (148, 126216), (222, 84144), (288, 64861), (296, 63108), (333, 56096), (444, 42072), (592, 31554), (666, 28048), (888, 21036), (1184, 15777), (1332, 14024), (1753, 10656), (1776, 10518), (2664, 7012), (3506, 5328), (3552, 5259)]