18685396

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{2039}}^1$

素因数の和:2151

約数の個数: 24

約数和(自身を含む): 34272000

約数和(自身を除く): 15586604

約数列:

[1, 2, 4, 29, 58, 79, 116, 158, 316, 2039, 2291, 4078, 4582, 8156, 9164, 59131, 118262, 161081, 236524, 322162, 644324, 4671349, 9342698, 18685396]

約数ペア:

[(1, 18685396), (2, 9342698), (4, 4671349), (29, 644324), (58, 322162), (79, 236524), (116, 161081), (158, 118262), (316, 59131), (2039, 9164), (2291, 8156), (4078, 4582)]