19508190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{50021}}^1$

素因数の和:50044

約数の個数: 32

約数和(自身を含む): 50422176

約数和(自身を除く): 30913986

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 50021, 100042, 150063, 250105, 300126, 500210, 650273, 750315, 1300546, 1500630, 1950819, 3251365, 3901638, 6502730, 9754095, 19508190]

約数ペア:

[(1, 19508190), (2, 9754095), (3, 6502730), (5, 3901638), (6, 3251365), (10, 1950819), (13, 1500630), (15, 1300546), (26, 750315), (30, 650273), (39, 500210), (65, 300126), (78, 250105), (130, 150063), (195, 100042), (390, 50021)]