18687222

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{541}}^1$

素因数の和:669

約数の個数: 48

約数和(自身を含む): 43121520

約数和(自身を除く): 24434298

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 101, 114, 171, 202, 303, 342, 541, 606, 909, 1082, 1623, 1818, 1919, 3246, 3838, 4869, 5757, 9738, 10279, 11514, 17271, 20558, 30837, 34542, 54641, 61674, 92511, 109282, 163923, 185022, 327846, 491769, 983538, 1038179, 2076358, 3114537, 6229074, 9343611, 18687222]

約数ペア:

[(1, 18687222), (2, 9343611), (3, 6229074), (6, 3114537), (9, 2076358), (18, 1038179), (19, 983538), (38, 491769), (57, 327846), (101, 185022), (114, 163923), (171, 109282), (202, 92511), (303, 61674), (342, 54641), (541, 34542), (606, 30837), (909, 20558), (1082, 17271), (1623, 11514), (1818, 10279), (1919, 9738), (3246, 5757), (3838, 4869)]