18210724

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{547}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 38666880

約数和(自身を除く): 20456156

約数列:

[1, 2, 4, 7, 14, 28, 29, 41, 58, 82, 116, 164, 203, 287, 406, 547, 574, 812, 1094, 1148, 1189, 2188, 2378, 3829, 4756, 7658, 8323, 15316, 15863, 16646, 22427, 31726, 33292, 44854, 63452, 89708, 111041, 156989, 222082, 313978, 444164, 627956, 650383, 1300766, 2601532, 4552681, 9105362, 18210724]

約数ペア:

[(1, 18210724), (2, 9105362), (4, 4552681), (7, 2601532), (14, 1300766), (28, 650383), (29, 627956), (41, 444164), (58, 313978), (82, 222082), (116, 156989), (164, 111041), (203, 89708), (287, 63452), (406, 44854), (547, 33292), (574, 31726), (812, 22427), (1094, 16646), (1148, 15863), (1189, 15316), (2188, 8323), (2378, 7658), (3829, 4756)]