12920256386

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{977}}^1\times {\mathrm{348011}}^1$

素因数の和:349009

約数の個数: 16

約数和(自身を含む): 20421344160

約数和(自身を除く): 7501087774

約数列:

[1, 2, 19, 38, 977, 1954, 18563, 37126, 348011, 696022, 6612209, 13224418, 340006747, 680013494, 6460128193, 12920256386]

約数ペア:

[(1, 12920256386), (2, 6460128193), (19, 680013494), (38, 340006747), (977, 13224418), (1954, 6612209), (18563, 696022), (37126, 348011)]