19889386

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{6599}}^1$

素因数の和:6749

約数の個数: 16

約数和(自身を含む): 32788800

約数和(自身を除く): 12899414

約数列:

[1, 2, 11, 22, 137, 274, 1507, 3014, 6599, 13198, 72589, 145178, 904063, 1808126, 9944693, 19889386]

約数ペア:

[(1, 19889386), (2, 9944693), (11, 1808126), (22, 904063), (137, 145178), (274, 72589), (1507, 13198), (3014, 6599)]