19238420

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{13177}}^1$

素因数の和:13259

約数の個数: 24

約数和(自身を含む): 40957224

約数和(自身を除く): 21718804

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 13177, 26354, 52708, 65885, 131770, 263540, 961921, 1923842, 3847684, 4809605, 9619210, 19238420]

約数ペア:

[(1, 19238420), (2, 9619210), (4, 4809605), (5, 3847684), (10, 1923842), (20, 961921), (73, 263540), (146, 131770), (292, 65885), (365, 52708), (730, 26354), (1460, 13177)]