19943645

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2843}}^1$

素因数の和:2932

約数の個数: 16

約数和(自身を含む): 25391232

約数和(自身を除く): 5447587

約数列:

[1, 5, 23, 61, 115, 305, 1403, 2843, 7015, 14215, 65389, 173423, 326945, 867115, 3988729, 19943645]

約数ペア:

[(1, 19943645), (5, 3988729), (23, 867115), (61, 326945), (115, 173423), (305, 65389), (1403, 14215), (2843, 7015)]