18421975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5153}}^1$

素因数の和:5187

約数の個数: 24

約数和(自身を含む): 26842032

約数和(自身を除く): 8420057

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 3575, 5153, 25765, 56683, 66989, 128825, 283415, 334945, 736879, 1417075, 1674725, 3684395, 18421975]

約数ペア:

[(1, 18421975), (5, 3684395), (11, 1674725), (13, 1417075), (25, 736879), (55, 334945), (65, 283415), (143, 128825), (275, 66989), (325, 56683), (715, 25765), (3575, 5153)]