19983722

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{14891}}^1$

素因数の和:14965

約数の個数: 16

約数和(自身を含む): 33238944

約数和(自身を除く): 13255222

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 14891, 29782, 163801, 327602, 908351, 1816702, 9991861, 19983722]

約数ペア:

[(1, 19983722), (2, 9991861), (11, 1816702), (22, 908351), (61, 327602), (122, 163801), (671, 29782), (1342, 14891)]