19853380

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{2999}}^1$

素因数の和:3339

約数の個数: 24

約数和(自身を含む): 41832000

約数和(自身を除く): 21978620

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 2999, 3310, 5998, 6620, 11996, 14995, 29990, 59980, 992669, 1985338, 3970676, 4963345, 9926690, 19853380]

約数ペア:

[(1, 19853380), (2, 9926690), (4, 4963345), (5, 3970676), (10, 1985338), (20, 992669), (331, 59980), (662, 29990), (1324, 14995), (1655, 11996), (2999, 6620), (3310, 5998)]