18726110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{509}}^1$

素因数の和:812

約数の個数: 32

約数和(自身を含む): 36499680

約数和(自身を除く): 17773570

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 283, 509, 566, 1018, 1415, 2545, 2830, 3679, 5090, 6617, 7358, 13234, 18395, 33085, 36790, 66170, 144047, 288094, 720235, 1440470, 1872611, 3745222, 9363055, 18726110]

約数ペア:

[(1, 18726110), (2, 9363055), (5, 3745222), (10, 1872611), (13, 1440470), (26, 720235), (65, 288094), (130, 144047), (283, 66170), (509, 36790), (566, 33085), (1018, 18395), (1415, 13234), (2545, 7358), (2830, 6617), (3679, 5090)]