19766590

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:408

約数の個数: 32

約数和(自身を含む): 36495360

約数和(自身を除く): 16728770

約数列:

[1, 2, 5, 10, 79, 131, 158, 191, 262, 382, 395, 655, 790, 955, 1310, 1910, 10349, 15089, 20698, 25021, 30178, 50042, 51745, 75445, 103490, 125105, 150890, 250210, 1976659, 3953318, 9883295, 19766590]

約数ペア:

[(1, 19766590), (2, 9883295), (5, 3953318), (10, 1976659), (79, 250210), (131, 150890), (158, 125105), (191, 103490), (262, 75445), (382, 51745), (395, 50042), (655, 30178), (790, 25021), (955, 20698), (1310, 15089), (1910, 10349)]