19490870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{727}}^1$

素因数の和:1124

約数の個数: 32

約数和(自身を含む): 40255488

約数和(自身を除く): 20764618

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 383, 727, 766, 1454, 1915, 2681, 3635, 3830, 5089, 5362, 7270, 10178, 13405, 25445, 26810, 50890, 278441, 556882, 1392205, 1949087, 2784410, 3898174, 9745435, 19490870]

約数ペア:

[(1, 19490870), (2, 9745435), (5, 3898174), (7, 2784410), (10, 1949087), (14, 1392205), (35, 556882), (70, 278441), (383, 50890), (727, 26810), (766, 25445), (1454, 13405), (1915, 10178), (2681, 7270), (3635, 5362), (3830, 5089)]