40490938

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{2531}}^1$

素因数の和:2973

約数の個数: 16

約数和(自身を含む): 64110240

約数和(自身を除く): 23619302

約数列:

[1, 2, 19, 38, 421, 842, 2531, 5062, 7999, 15998, 48089, 96178, 1065551, 2131102, 20245469, 40490938]

約数ペア:

[(1, 40490938), (2, 20245469), (19, 2131102), (38, 1065551), (421, 96178), (842, 48089), (2531, 15998), (5062, 7999)]