18700540

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^2\times {\mathrm{683}}^1$

素因数の和:766

約数の個数: 36

約数和(自身を含む): 40420296

約数和(自身を除く): 21719756

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 683, 740, 1366, 1369, 2732, 2738, 3415, 5476, 6830, 6845, 13660, 13690, 25271, 27380, 50542, 101084, 126355, 252710, 505420, 935027, 1870054, 3740108, 4675135, 9350270, 18700540]

約数ペア:

[(1, 18700540), (2, 9350270), (4, 4675135), (5, 3740108), (10, 1870054), (20, 935027), (37, 505420), (74, 252710), (148, 126355), (185, 101084), (370, 50542), (683, 27380), (740, 25271), (1366, 13690), (1369, 13660), (2732, 6845), (2738, 6830), (3415, 5476)]