18218985

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1931}}^1$

素因数の和:1993

約数の個数: 32

約数和(自身を含む): 31715712

約数和(自身を除く): 13496727

約数列:

[1, 3, 5, 15, 17, 37, 51, 85, 111, 185, 255, 555, 629, 1887, 1931, 3145, 5793, 9435, 9655, 28965, 32827, 71447, 98481, 164135, 214341, 357235, 492405, 1071705, 1214599, 3643797, 6072995, 18218985]

約数ペア:

[(1, 18218985), (3, 6072995), (5, 3643797), (15, 1214599), (17, 1071705), (37, 492405), (51, 357235), (85, 214341), (111, 164135), (185, 98481), (255, 71447), (555, 32827), (629, 28965), (1887, 9655), (1931, 9435), (3145, 5793)]