18331485

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{491}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 31173120

約数和(自身を除く): 12841635

約数列:

[1, 3, 5, 15, 19, 57, 95, 131, 285, 393, 491, 655, 1473, 1965, 2455, 2489, 7365, 7467, 9329, 12445, 27987, 37335, 46645, 64321, 139935, 192963, 321605, 964815, 1222099, 3666297, 6110495, 18331485]

約数ペア:

[(1, 18331485), (3, 6110495), (5, 3666297), (15, 1222099), (19, 964815), (57, 321605), (95, 192963), (131, 139935), (285, 64321), (393, 46645), (491, 37335), (655, 27987), (1473, 12445), (1965, 9329), (2455, 7467), (2489, 7365)]