19919632

素因数分解:

$2^4\times {\mathrm{1013}}^1\times {\mathrm{1229}}^1$

素因数の和:2250

約数の個数: 20

約数和(自身を含む): 38663820

約数和(自身を除く): 18744188

約数列:

[1, 2, 4, 8, 16, 1013, 1229, 2026, 2458, 4052, 4916, 8104, 9832, 16208, 19664, 1244977, 2489954, 4979908, 9959816, 19919632]

約数ペア:

[(1, 19919632), (2, 9959816), (4, 4979908), (8, 2489954), (16, 1244977), (1013, 19664), (1229, 16208), (2026, 9832), (2458, 8104), (4052, 4916)]