19862450

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{9689}}^1$

素因数の和:9742

約数の個数: 24

約数和(自身を含む): 37849140

約数和(自身を除く): 17986690

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 2050, 9689, 19378, 48445, 96890, 242225, 397249, 484450, 794498, 1986245, 3972490, 9931225, 19862450]

約数ペア:

[(1, 19862450), (2, 9931225), (5, 3972490), (10, 1986245), (25, 794498), (41, 484450), (50, 397249), (82, 242225), (205, 96890), (410, 48445), (1025, 19378), (2050, 9689)]