19788974

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{6791}}^1$

素因数の和:6871

約数の個数: 16

約数和(自身を含む): 31297536

約数和(自身を除く): 11508562

約数列:

[1, 2, 31, 47, 62, 94, 1457, 2914, 6791, 13582, 210521, 319177, 421042, 638354, 9894487, 19788974]

約数ペア:

[(1, 19788974), (2, 9894487), (31, 638354), (47, 421042), (62, 319177), (94, 210521), (1457, 13582), (2914, 6791)]