19913498

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{6607}}^1$

素因数の和:6757

約数の個数: 16

約数和(自身を含む): 32828544

約数和(自身を除く): 12915046

約数列:

[1, 2, 11, 22, 137, 274, 1507, 3014, 6607, 13214, 72677, 145354, 905159, 1810318, 9956749, 19913498]

約数ペア:

[(1, 19913498), (2, 9956749), (11, 1810318), (22, 905159), (137, 145354), (274, 72677), (1507, 13214), (3014, 6607)]