19243609

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:337

約数の個数: 32

約数和(自身を含む): 25926912

約数和(自身を除く): 6683303

約数列:

[1, 7, 11, 17, 61, 77, 119, 187, 241, 427, 671, 1037, 1309, 1687, 2651, 4097, 4697, 7259, 11407, 14701, 18557, 28679, 45067, 79849, 102907, 161711, 249917, 315469, 1131977, 1749419, 2749087, 19243609]

約数ペア:

[(1, 19243609), (7, 2749087), (11, 1749419), (17, 1131977), (61, 315469), (77, 249917), (119, 161711), (187, 102907), (241, 79849), (427, 45067), (671, 28679), (1037, 18557), (1309, 14701), (1687, 11407), (2651, 7259), (4097, 4697)]