1330985872

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{4378243}}^1$

素因数の和:4378270

約数の個数: 20

約数和(自身を含む): 2714511280

約数和(自身を除く): 1383525408

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 4378243, 8756486, 17512972, 35025944, 70051888, 83186617, 166373234, 332746468, 665492936, 1330985872]

約数ペア:

[(1, 1330985872), (2, 665492936), (4, 332746468), (8, 166373234), (16, 83186617), (19, 70051888), (38, 35025944), (76, 17512972), (152, 8756486), (304, 4378243)]