19298860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137849}}^1$

素因数の和:137865

約数の個数: 24

約数和(自身を含む): 46317600

約数和(自身を除く): 27018740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 137849, 275698, 551396, 689245, 964943, 1378490, 1929886, 2756980, 3859772, 4824715, 9649430, 19298860]

約数ペア:

[(1, 19298860), (2, 9649430), (4, 4824715), (5, 3859772), (7, 2756980), (10, 1929886), (14, 1378490), (20, 964943), (28, 689245), (35, 551396), (70, 275698), (140, 137849)]