17418760

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{983}}^1$

素因数の和:1437

約数の個数: 32

約数和(自身を含む): 39320640

約数和(自身を除く): 21901880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 443, 886, 983, 1772, 1966, 2215, 3544, 3932, 4430, 4915, 7864, 8860, 9830, 17720, 19660, 39320, 435469, 870938, 1741876, 2177345, 3483752, 4354690, 8709380, 17418760]

約数ペア:

[(1, 17418760), (2, 8709380), (4, 4354690), (5, 3483752), (8, 2177345), (10, 1741876), (20, 870938), (40, 435469), (443, 39320), (886, 19660), (983, 17720), (1772, 9830), (1966, 8860), (2215, 7864), (3544, 4915), (3932, 4430)]