18454865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{487}}^1$

素因数の和:569

約数の個数: 32

約数和(自身を含む): 26562816

約数和(自身を除く): 8107951

約数列:

[1, 5, 11, 13, 53, 55, 65, 143, 265, 487, 583, 689, 715, 2435, 2915, 3445, 5357, 6331, 7579, 25811, 26785, 31655, 37895, 69641, 129055, 283921, 335543, 348205, 1419605, 1677715, 3690973, 18454865]

約数ペア:

[(1, 18454865), (5, 3690973), (11, 1677715), (13, 1419605), (53, 348205), (55, 335543), (65, 283921), (143, 129055), (265, 69641), (487, 37895), (583, 31655), (689, 26785), (715, 25811), (2435, 7579), (2915, 6331), (3445, 5357)]