19684450

素因数分解:

$2^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{5393}}^1$

素因数の和:5478

約数の個数: 24

約数和(自身を含む): 37121508

約数和(自身を除く): 17437058

約数列:

[1, 2, 5, 10, 25, 50, 73, 146, 365, 730, 1825, 3650, 5393, 10786, 26965, 53930, 134825, 269650, 393689, 787378, 1968445, 3936890, 9842225, 19684450]

約数ペア:

[(1, 19684450), (2, 9842225), (5, 3936890), (10, 1968445), (25, 787378), (50, 393689), (73, 269650), (146, 134825), (365, 53930), (730, 26965), (1825, 10786), (3650, 5393)]