19407475

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:339

約数の個数: 24

約数和(自身を含む): 24998400

約数和(自身を除く): 5590925

約数列:

[1, 5, 25, 47, 83, 199, 235, 415, 995, 1175, 2075, 3901, 4975, 9353, 16517, 19505, 46765, 82585, 97525, 233825, 412925, 776299, 3881495, 19407475]

約数ペア:

[(1, 19407475), (5, 3881495), (25, 776299), (47, 412925), (83, 233825), (199, 97525), (235, 82585), (415, 46765), (995, 19505), (1175, 16517), (2075, 9353), (3901, 4975)]