61947980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163021}}^1$

素因数の和:163049

約数の個数: 24

約数和(自身を含む): 136938480

約数和(自身を除く): 74990500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 163021, 326042, 652084, 815105, 1630210, 3097399, 3260420, 6194798, 12389596, 15486995, 30973990, 61947980]

約数ペア:

[(1, 61947980), (2, 30973990), (4, 15486995), (5, 12389596), (10, 6194798), (19, 3260420), (20, 3097399), (38, 1630210), (76, 815105), (95, 652084), (190, 326042), (380, 163021)]