18613360

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:226

約数の個数: 80

約数和(自身を含む): 45800640

約数和(自身を除く): 27187280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 71, 80, 113, 116, 142, 145, 226, 232, 284, 290, 355, 452, 464, 565, 568, 580, 710, 904, 1130, 1136, 1160, 1420, 1808, 2059, 2260, 2320, 2840, 3277, 4118, 4520, 5680, 6554, 8023, 8236, 9040, 10295, 13108, 16046, 16385, 16472, 20590, 26216, 32092, 32770, 32944, 40115, 41180, 52432, 64184, 65540, 80230, 82360, 128368, 131080, 160460, 164720, 232667, 262160, 320920, 465334, 641840, 930668, 1163335, 1861336, 2326670, 3722672, 4653340, 9306680, 18613360]

約数ペア:

[(1, 18613360), (2, 9306680), (4, 4653340), (5, 3722672), (8, 2326670), (10, 1861336), (16, 1163335), (20, 930668), (29, 641840), (40, 465334), (58, 320920), (71, 262160), (80, 232667), (113, 164720), (116, 160460), (142, 131080), (145, 128368), (226, 82360), (232, 80230), (284, 65540), (290, 64184), (355, 52432), (452, 41180), (464, 40115), (565, 32944), (568, 32770), (580, 32092), (710, 26216), (904, 20590), (1130, 16472), (1136, 16385), (1160, 16046), (1420, 13108), (1808, 10295), (2059, 9040), (2260, 8236), (2320, 8023), (2840, 6554), (3277, 5680), (4118, 4520)]