19995190

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{32779}}^1$

素因数の和:32847

約数の個数: 16

約数和(自身を含む): 36582480

約数和(自身を除く): 16587290

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 32779, 65558, 163895, 327790, 1999519, 3999038, 9997595, 19995190]

約数ペア:

[(1, 19995190), (2, 9997595), (5, 3999038), (10, 1999519), (61, 327790), (122, 163895), (305, 65558), (610, 32779)]