18690768

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:177

約数の個数: 120

約数和(自身を含む): 55710720

約数和(自身を除く): 37019952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 53, 62, 72, 79, 93, 106, 124, 144, 158, 159, 186, 212, 237, 248, 279, 316, 318, 372, 424, 474, 477, 496, 558, 632, 636, 711, 744, 848, 948, 954, 1116, 1264, 1272, 1422, 1488, 1643, 1896, 1908, 2232, 2449, 2544, 2844, 3286, 3792, 3816, 4187, 4464, 4898, 4929, 5688, 6572, 7347, 7632, 8374, 9796, 9858, 11376, 12561, 13144, 14694, 14787, 16748, 19592, 19716, 22041, 25122, 26288, 29388, 29574, 33496, 37683, 39184, 39432, 44082, 50244, 58776, 59148, 66992, 75366, 78864, 88164, 100488, 117552, 118296, 129797, 150732, 176328, 200976, 236592, 259594, 301464, 352656, 389391, 519188, 602928, 778782, 1038376, 1168173, 1557564, 2076752, 2336346, 3115128, 4672692, 6230256, 9345384, 18690768]

約数ペア:

[(1, 18690768), (2, 9345384), (3, 6230256), (4, 4672692), (6, 3115128), (8, 2336346), (9, 2076752), (12, 1557564), (16, 1168173), (18, 1038376), (24, 778782), (31, 602928), (36, 519188), (48, 389391), (53, 352656), (62, 301464), (72, 259594), (79, 236592), (93, 200976), (106, 176328), (124, 150732), (144, 129797), (158, 118296), (159, 117552), (186, 100488), (212, 88164), (237, 78864), (248, 75366), (279, 66992), (316, 59148), (318, 58776), (372, 50244), (424, 44082), (474, 39432), (477, 39184), (496, 37683), (558, 33496), (632, 29574), (636, 29388), (711, 26288), (744, 25122), (848, 22041), (948, 19716), (954, 19592), (1116, 16748), (1264, 14787), (1272, 14694), (1422, 13144), (1488, 12561), (1643, 11376), (1896, 9858), (1908, 9796), (2232, 8374), (2449, 7632), (2544, 7347), (2844, 6572), (3286, 5688), (3792, 4929), (3816, 4898), (4187, 4464)]