19879645

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1931}}^1$

素因数の和:2036

約数の個数: 16

約数和(自身を含む): 25038720

約数和(自身を除く): 5159075

約数列:

[1, 5, 29, 71, 145, 355, 1931, 2059, 9655, 10295, 55999, 137101, 279995, 685505, 3975929, 19879645]

約数ペア:

[(1, 19879645), (5, 3975929), (29, 685505), (71, 279995), (145, 137101), (355, 55999), (1931, 10295), (2059, 9655)]