18683420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1181}}^1$

素因数の和:1310

約数の個数: 48

約数和(自身を含む): 45275328

約数和(自身を除く): 26591908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 452, 565, 791, 1130, 1181, 1582, 2260, 2362, 3164, 3955, 4724, 5905, 7910, 8267, 11810, 15820, 16534, 23620, 33068, 41335, 82670, 133453, 165340, 266906, 533812, 667265, 934171, 1334530, 1868342, 2669060, 3736684, 4670855, 9341710, 18683420]

約数ペア:

[(1, 18683420), (2, 9341710), (4, 4670855), (5, 3736684), (7, 2669060), (10, 1868342), (14, 1334530), (20, 934171), (28, 667265), (35, 533812), (70, 266906), (113, 165340), (140, 133453), (226, 82670), (452, 41335), (565, 33068), (791, 23620), (1130, 16534), (1181, 15820), (1582, 11810), (2260, 8267), (2362, 7910), (3164, 5905), (3955, 4724)]