19077194

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1\times {\mathrm{421}}^1$

素因数の和:725

約数の個数: 16

約数和(自身を含む): 29067360

約数和(自身を除く): 9990166

約数列:

[1, 2, 139, 163, 278, 326, 421, 842, 22657, 45314, 58519, 68623, 117038, 137246, 9538597, 19077194]

約数ペア:

[(1, 19077194), (2, 9538597), (139, 137246), (163, 117038), (278, 68623), (326, 58519), (421, 45314), (842, 22657)]