18243784

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 39916800

約数和(自身を除く): 21673016

約数列:

[1, 2, 4, 8, 13, 23, 26, 29, 46, 52, 58, 92, 104, 116, 184, 232, 263, 299, 377, 526, 598, 667, 754, 1052, 1196, 1334, 1508, 2104, 2392, 2668, 3016, 3419, 5336, 6049, 6838, 7627, 8671, 12098, 13676, 15254, 17342, 24196, 27352, 30508, 34684, 48392, 61016, 69368, 78637, 99151, 157274, 175421, 198302, 314548, 350842, 396604, 629096, 701684, 793208, 1403368, 2280473, 4560946, 9121892, 18243784]

約数ペア:

[(1, 18243784), (2, 9121892), (4, 4560946), (8, 2280473), (13, 1403368), (23, 793208), (26, 701684), (29, 629096), (46, 396604), (52, 350842), (58, 314548), (92, 198302), (104, 175421), (116, 157274), (184, 99151), (232, 78637), (263, 69368), (299, 61016), (377, 48392), (526, 34684), (598, 30508), (667, 27352), (754, 24196), (1052, 17342), (1196, 15254), (1334, 13676), (1508, 12098), (2104, 8671), (2392, 7627), (2668, 6838), (3016, 6049), (3419, 5336)]