19993305

素因数分解:

$3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{6317}}^1$

素因数の和:6536

約数の個数: 16

約数和(自身を含む): 32145984

約数和(自身を除く): 12152679

約数列:

[1, 3, 5, 15, 211, 633, 1055, 3165, 6317, 18951, 31585, 94755, 1332887, 3998661, 6664435, 19993305]

約数ペア:

[(1, 19993305), (3, 6664435), (5, 3998661), (15, 1332887), (211, 94755), (633, 31585), (1055, 18951), (3165, 6317)]