18656950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{28703}}^1$

素因数の和:28728

約数の個数: 24

約数和(自身を含む): 37372608

約数和(自身を除く): 18715658

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 28703, 57406, 143515, 287030, 373139, 717575, 746278, 1435150, 1865695, 3731390, 9328475, 18656950]

約数ペア:

[(1, 18656950), (2, 9328475), (5, 3731390), (10, 1865695), (13, 1435150), (25, 746278), (26, 717575), (50, 373139), (65, 287030), (130, 143515), (325, 57406), (650, 28703)]