19409080

素因数分解:

$2^3\times 5^1\times {\mathrm{479}}^1\times {\mathrm{1013}}^1$

素因数の和:1503

約数の個数: 32

約数和(自身を含む): 43804800

約数和(自身を除く): 24395720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 479, 958, 1013, 1916, 2026, 2395, 3832, 4052, 4790, 5065, 8104, 9580, 10130, 19160, 20260, 40520, 485227, 970454, 1940908, 2426135, 3881816, 4852270, 9704540, 19409080]

約数ペア:

[(1, 19409080), (2, 9704540), (4, 4852270), (5, 3881816), (8, 2426135), (10, 1940908), (20, 970454), (40, 485227), (479, 40520), (958, 20260), (1013, 19160), (1916, 10130), (2026, 9580), (2395, 8104), (3832, 5065), (4052, 4790)]