18226975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3299}}^1$

素因数の和:3339

約数の個数: 24

約数和(自身を含む): 25779600

約数和(自身を除く): 7552625

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 3299, 5525, 16495, 42887, 56083, 82475, 214435, 280415, 729079, 1072175, 1402075, 3645395, 18226975]

約数ペア:

[(1, 18226975), (5, 3645395), (13, 1402075), (17, 1072175), (25, 729079), (65, 280415), (85, 214435), (221, 82475), (325, 56083), (425, 42887), (1105, 16495), (3299, 5525)]