18411897

素因数分解:

$3^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{617}}^1$

素因数の和:670

約数の個数: 32

約数和(自身を含む): 29664000

約数和(自身を除く): 11252103

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 343, 609, 617, 1029, 1421, 1851, 4263, 4319, 9947, 12957, 17893, 29841, 30233, 53679, 90699, 125251, 211631, 375753, 634893, 876757, 2630271, 6137299, 18411897]

約数ペア:

[(1, 18411897), (3, 6137299), (7, 2630271), (21, 876757), (29, 634893), (49, 375753), (87, 211631), (147, 125251), (203, 90699), (343, 53679), (609, 30233), (617, 29841), (1029, 17893), (1421, 12957), (1851, 9947), (4263, 4319)]