19241620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{3329}}^1$

素因数の和:3372

約数の個数: 36

約数和(自身を含む): 42937020

約数和(自身を除く): 23695400

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 3329, 5780, 6658, 13316, 16645, 33290, 56593, 66580, 113186, 226372, 282965, 565930, 962081, 1131860, 1924162, 3848324, 4810405, 9620810, 19241620]

約数ペア:

[(1, 19241620), (2, 9620810), (4, 4810405), (5, 3848324), (10, 1924162), (17, 1131860), (20, 962081), (34, 565930), (68, 282965), (85, 226372), (170, 113186), (289, 66580), (340, 56593), (578, 33290), (1156, 16645), (1445, 13316), (2890, 6658), (3329, 5780)]