19848940

素因数分解:

$2^2\times 5^1\times {\mathrm{613}}^1\times {\mathrm{1619}}^1$

素因数の和:2241

約数の個数: 24

約数和(自身を含む): 41776560

約数和(自身を除く): 21927620

約数列:

[1, 2, 4, 5, 10, 20, 613, 1226, 1619, 2452, 3065, 3238, 6130, 6476, 8095, 12260, 16190, 32380, 992447, 1984894, 3969788, 4962235, 9924470, 19848940]

約数ペア:

[(1, 19848940), (2, 9924470), (4, 4962235), (5, 3969788), (10, 1984894), (20, 992447), (613, 32380), (1226, 16190), (1619, 12260), (2452, 8095), (3065, 6476), (3238, 6130)]