18081160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{643}}^1$

素因数の和:710

約数の個数: 64

約数和(自身を含む): 44049600

約数和(自身を除く): 25968440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 95, 148, 152, 185, 190, 296, 370, 380, 643, 703, 740, 760, 1286, 1406, 1480, 2572, 2812, 3215, 3515, 5144, 5624, 6430, 7030, 12217, 12860, 14060, 23791, 24434, 25720, 28120, 47582, 48868, 61085, 95164, 97736, 118955, 122170, 190328, 237910, 244340, 452029, 475820, 488680, 904058, 951640, 1808116, 2260145, 3616232, 4520290, 9040580, 18081160]

約数ペア:

[(1, 18081160), (2, 9040580), (4, 4520290), (5, 3616232), (8, 2260145), (10, 1808116), (19, 951640), (20, 904058), (37, 488680), (38, 475820), (40, 452029), (74, 244340), (76, 237910), (95, 190328), (148, 122170), (152, 118955), (185, 97736), (190, 95164), (296, 61085), (370, 48868), (380, 47582), (643, 28120), (703, 25720), (740, 24434), (760, 23791), (1286, 14060), (1406, 12860), (1480, 12217), (2572, 7030), (2812, 6430), (3215, 5624), (3515, 5144)]