15721423916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{18805531}}^1$

素因数の和:18805565

約数の個数: 24

約数和(自身を含む): 31593293760

約数和(自身を除く): 15871869844

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 18805531, 37611062, 75222124, 206860841, 357305089, 413721682, 714610178, 827443364, 1429220356, 3930355979, 7860711958, 15721423916]

約数ペア:

[(1, 15721423916), (2, 7860711958), (4, 3930355979), (11, 1429220356), (19, 827443364), (22, 714610178), (38, 413721682), (44, 357305089), (76, 206860841), (209, 75222124), (418, 37611062), (836, 18805531)]