19854385

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 26593920

約数和(自身を除く): 6739535

約数列:

[1, 5, 17, 37, 59, 85, 107, 185, 295, 535, 629, 1003, 1819, 2183, 3145, 3959, 5015, 6313, 9095, 10915, 19795, 31565, 37111, 67303, 107321, 185555, 233581, 336515, 536605, 1167905, 3970877, 19854385]

約数ペア:

[(1, 19854385), (5, 3970877), (17, 1167905), (37, 536605), (59, 336515), (85, 233581), (107, 185555), (185, 107321), (295, 67303), (535, 37111), (629, 31565), (1003, 19795), (1819, 10915), (2183, 9095), (3145, 6313), (3959, 5015)]