18570290

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{349}}^1$

素因数の和:686

約数の個数: 32

約数和(自身を含む): 35607600

約数和(自身を除く): 17037310

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 313, 349, 626, 698, 1565, 1745, 3130, 3490, 5321, 5933, 10642, 11866, 26605, 29665, 53210, 59330, 109237, 218474, 546185, 1092370, 1857029, 3714058, 9285145, 18570290]

約数ペア:

[(1, 18570290), (2, 9285145), (5, 3714058), (10, 1857029), (17, 1092370), (34, 546185), (85, 218474), (170, 109237), (313, 59330), (349, 53210), (626, 29665), (698, 26605), (1565, 11866), (1745, 10642), (3130, 5933), (3490, 5321)]