18423520

素因数分解:

$2^5\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1019}}^1$

素因数の和:1147

約数の個数: 48

約数和(自身を含む): 43953840

約数和(自身を除く): 25530320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 113, 160, 226, 452, 565, 904, 1019, 1130, 1808, 2038, 2260, 3616, 4076, 4520, 5095, 8152, 9040, 10190, 16304, 18080, 20380, 32608, 40760, 81520, 115147, 163040, 230294, 460588, 575735, 921176, 1151470, 1842352, 2302940, 3684704, 4605880, 9211760, 18423520]

約数ペア:

[(1, 18423520), (2, 9211760), (4, 4605880), (5, 3684704), (8, 2302940), (10, 1842352), (16, 1151470), (20, 921176), (32, 575735), (40, 460588), (80, 230294), (113, 163040), (160, 115147), (226, 81520), (452, 40760), (565, 32608), (904, 20380), (1019, 18080), (1130, 16304), (1808, 10190), (2038, 9040), (2260, 8152), (3616, 5095), (4076, 4520)]