18976996

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{191}}^1\times {\mathrm{421}}^1$

素因数の和:675

約数の個数: 24

約数和(自身を含む): 34030080

約数和(自身を除く): 15053084

約数列:

[1, 2, 4, 59, 118, 191, 236, 382, 421, 764, 842, 1684, 11269, 22538, 24839, 45076, 49678, 80411, 99356, 160822, 321644, 4744249, 9488498, 18976996]

約数ペア:

[(1, 18976996), (2, 9488498), (4, 4744249), (59, 321644), (118, 160822), (191, 99356), (236, 80411), (382, 49678), (421, 45076), (764, 24839), (842, 22538), (1684, 11269)]