19383520

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9319}}^1$

素因数の和:9347

約数の個数: 48

約数和(自身を含む): 49321440

約数和(自身を除く): 29937920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 9319, 18638, 37276, 46595, 74552, 93190, 121147, 149104, 186380, 242294, 298208, 372760, 484588, 605735, 745520, 969176, 1211470, 1491040, 1938352, 2422940, 3876704, 4845880, 9691760, 19383520]

約数ペア:

[(1, 19383520), (2, 9691760), (4, 4845880), (5, 3876704), (8, 2422940), (10, 1938352), (13, 1491040), (16, 1211470), (20, 969176), (26, 745520), (32, 605735), (40, 484588), (52, 372760), (65, 298208), (80, 242294), (104, 186380), (130, 149104), (160, 121147), (208, 93190), (260, 74552), (416, 46595), (520, 37276), (1040, 18638), (2080, 9319)]