18827960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{16231}}^1$

素因数の和:16271

約数の個数: 32

約数和(自身を含む): 43826400

約数和(自身を除く): 24998440

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 16231, 32462, 64924, 81155, 129848, 162310, 324620, 470699, 649240, 941398, 1882796, 2353495, 3765592, 4706990, 9413980, 18827960]

約数ペア:

[(1, 18827960), (2, 9413980), (4, 4706990), (5, 3765592), (8, 2353495), (10, 1882796), (20, 941398), (29, 649240), (40, 470699), (58, 324620), (116, 162310), (145, 129848), (232, 81155), (290, 64924), (580, 32462), (1160, 16231)]