17960980

素因数分解:

$2^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{2447}}^1$

素因数の和:2823

約数の個数: 24

約数和(自身を含む): 37836288

約数和(自身を除く): 19875308

約数列:

[1, 2, 4, 5, 10, 20, 367, 734, 1468, 1835, 2447, 3670, 4894, 7340, 9788, 12235, 24470, 48940, 898049, 1796098, 3592196, 4490245, 8980490, 17960980]

約数ペア:

[(1, 17960980), (2, 8980490), (4, 4490245), (5, 3592196), (10, 1796098), (20, 898049), (367, 48940), (734, 24470), (1468, 12235), (1835, 9788), (2447, 7340), (3670, 4894)]