18179406

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{647}}^1$

素因数の和:885

約数の個数: 48

約数和(自身を含む): 45287424

約数和(自身を除く): 27108018

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 223, 446, 647, 669, 1294, 1338, 1561, 1941, 2007, 3122, 3882, 4014, 4529, 4683, 5823, 9058, 9366, 11646, 13587, 14049, 27174, 28098, 40761, 81522, 144281, 288562, 432843, 865686, 1009967, 1298529, 2019934, 2597058, 3029901, 6059802, 9089703, 18179406]

約数ペア:

[(1, 18179406), (2, 9089703), (3, 6059802), (6, 3029901), (7, 2597058), (9, 2019934), (14, 1298529), (18, 1009967), (21, 865686), (42, 432843), (63, 288562), (126, 144281), (223, 81522), (446, 40761), (647, 28098), (669, 27174), (1294, 14049), (1338, 13587), (1561, 11646), (1941, 9366), (2007, 9058), (3122, 5823), (3882, 4683), (4014, 4529)]