19801431578

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{311}}^1\times {\mathrm{315199}}^1$

素因数の和:315613

約数の個数: 16

約数和(自身を含む): 30092774400

約数和(自身を除く): 10291342822

約数列:

[1, 2, 101, 202, 311, 622, 31411, 62822, 315199, 630398, 31835099, 63670198, 98026889, 196053778, 9900715789, 19801431578]

約数ペア:

[(1, 19801431578), (2, 9900715789), (101, 196053778), (202, 98026889), (311, 63670198), (622, 31835099), (31411, 630398), (62822, 315199)]