18818116

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 36771840

約数和(自身を除く): 17953724

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 79, 113, 124, 158, 226, 316, 452, 527, 1054, 1343, 1921, 2108, 2449, 2686, 3503, 3842, 4898, 5372, 7006, 7684, 8927, 9796, 14012, 17854, 35708, 41633, 59551, 83266, 119102, 151759, 166532, 238204, 276737, 303518, 553474, 607036, 1106948, 4704529, 9409058, 18818116]

約数ペア:

[(1, 18818116), (2, 9409058), (4, 4704529), (17, 1106948), (31, 607036), (34, 553474), (62, 303518), (68, 276737), (79, 238204), (113, 166532), (124, 151759), (158, 119102), (226, 83266), (316, 59551), (452, 41633), (527, 35708), (1054, 17854), (1343, 14012), (1921, 9796), (2108, 8927), (2449, 7684), (2686, 7006), (3503, 5372), (3842, 4898)]