18627275

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1$

素因数の和:331

約数の個数: 24

約数和(自身を含む): 23998464

約数和(自身を除く): 5371189

約数列:

[1, 5, 25, 47, 83, 191, 235, 415, 955, 1175, 2075, 3901, 4775, 8977, 15853, 19505, 44885, 79265, 97525, 224425, 396325, 745091, 3725455, 18627275]

約数ペア:

[(1, 18627275), (5, 3725455), (25, 745091), (47, 396325), (83, 224425), (191, 97525), (235, 79265), (415, 44885), (955, 19505), (1175, 15853), (2075, 8977), (3901, 4775)]