18943158

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1151}}^1$

素因数の和:1380

約数の個数: 32

約数和(自身を含む): 41029632

約数和(自身を除く): 22086474

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 211, 422, 633, 1151, 1266, 2302, 2743, 3453, 5486, 6906, 8229, 14963, 16458, 29926, 44889, 89778, 242861, 485722, 728583, 1457166, 3157193, 6314386, 9471579, 18943158]

約数ペア:

[(1, 18943158), (2, 9471579), (3, 6314386), (6, 3157193), (13, 1457166), (26, 728583), (39, 485722), (78, 242861), (211, 89778), (422, 44889), (633, 29926), (1151, 16458), (1266, 14963), (2302, 8229), (2743, 6906), (3453, 5486)]