19007980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{50021}}^1$

素因数の和:50049

約数の個数: 24

約数和(自身を含む): 42018480

約数和(自身を除く): 23010500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 50021, 100042, 200084, 250105, 500210, 950399, 1000420, 1900798, 3801596, 4751995, 9503990, 19007980]

約数ペア:

[(1, 19007980), (2, 9503990), (4, 4751995), (5, 3801596), (10, 1900798), (19, 1000420), (20, 950399), (38, 500210), (76, 250105), (95, 200084), (190, 100042), (380, 50021)]