18883670418

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{236869}}^1$

素因数の和:237023

約数の個数: 48

約数和(自身を含む): 42272767680

約数和(自身を除く): 23389097262

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 103, 129, 206, 258, 309, 387, 618, 774, 927, 1854, 4429, 8858, 13287, 26574, 39861, 79722, 236869, 473738, 710607, 1421214, 2131821, 4263642, 10185367, 20370734, 24397507, 30556101, 48795014, 61112202, 73192521, 91668303, 146385042, 183336606, 219577563, 439155126, 1049092801, 2098185602, 3147278403, 6294556806, 9441835209, 18883670418]

約数ペア:

[(1, 18883670418), (2, 9441835209), (3, 6294556806), (6, 3147278403), (9, 2098185602), (18, 1049092801), (43, 439155126), (86, 219577563), (103, 183336606), (129, 146385042), (206, 91668303), (258, 73192521), (309, 61112202), (387, 48795014), (618, 30556101), (774, 24397507), (927, 20370734), (1854, 10185367), (4429, 4263642), (8858, 2131821), (13287, 1421214), (26574, 710607), (39861, 473738), (79722, 236869)]