19747868

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{22751}}^1$

素因数の和:22793

約数の個数: 24

約数和(自身を含む): 40771584

約数和(自身を除く): 21023716

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 22751, 45502, 91004, 159257, 318514, 637028, 705281, 1410562, 2821124, 4936967, 9873934, 19747868]

約数ペア:

[(1, 19747868), (2, 9873934), (4, 4936967), (7, 2821124), (14, 1410562), (28, 705281), (31, 637028), (62, 318514), (124, 159257), (217, 91004), (434, 45502), (868, 22751)]