19620284

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{191}}^1\times {\mathrm{421}}^1$

素因数の和:677

約数の個数: 24

約数和(自身を含む): 35164416

約数和(自身を除く): 15544132

約数列:

[1, 2, 4, 61, 122, 191, 244, 382, 421, 764, 842, 1684, 11651, 23302, 25681, 46604, 51362, 80411, 102724, 160822, 321644, 4905071, 9810142, 19620284]

約数ペア:

[(1, 19620284), (2, 9810142), (4, 4905071), (61, 321644), (122, 160822), (191, 102724), (244, 80411), (382, 51362), (421, 46604), (764, 25681), (842, 23302), (1684, 11651)]