19677316

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{233}}^1\times {\mathrm{491}}^1$

素因数の和:771

約数の個数: 24

約数和(自身を含む): 35459424

約数和(自身を除く): 15782108

約数列:

[1, 2, 4, 43, 86, 172, 233, 466, 491, 932, 982, 1964, 10019, 20038, 21113, 40076, 42226, 84452, 114403, 228806, 457612, 4919329, 9838658, 19677316]

約数ペア:

[(1, 19677316), (2, 9838658), (4, 4919329), (43, 457612), (86, 228806), (172, 114403), (233, 84452), (466, 42226), (491, 40076), (932, 21113), (982, 20038), (1964, 10019)]