18451240

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5839}}^1$

素因数の和:5929

約数の個数: 32

約数和(自身を含む): 42048000

約数和(自身を除く): 23596760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 5839, 11678, 23356, 29195, 46712, 58390, 116780, 233560, 461281, 922562, 1845124, 2306405, 3690248, 4612810, 9225620, 18451240]

約数ペア:

[(1, 18451240), (2, 9225620), (4, 4612810), (5, 3690248), (8, 2306405), (10, 1845124), (20, 922562), (40, 461281), (79, 233560), (158, 116780), (316, 58390), (395, 46712), (632, 29195), (790, 23356), (1580, 11678), (3160, 5839)]