19904784

素因数分解:

$2^4\times 3^1\times {\mathrm{414683}}^1$

素因数の和:414694

約数の個数: 20

約数和(自身を含む): 51420816

約数和(自身を除く): 31516032

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 414683, 829366, 1244049, 1658732, 2488098, 3317464, 4976196, 6634928, 9952392, 19904784]

約数ペア:

[(1, 19904784), (2, 9952392), (3, 6634928), (4, 4976196), (6, 3317464), (8, 2488098), (12, 1658732), (16, 1244049), (24, 829366), (48, 414683)]