19810368980

素因数分解:

$2^2\times 5^1\times {\mathrm{1303}}^1\times {\mathrm{760183}}^1$

素因数の和:761495

約数の個数: 24

約数和(自身を含む): 41633757312

約数和(自身を除く): 21823388332

約数列:

[1, 2, 4, 5, 10, 20, 1303, 2606, 5212, 6515, 13030, 26060, 760183, 1520366, 3040732, 3800915, 7601830, 15203660, 990518449, 1981036898, 3962073796, 4952592245, 9905184490, 19810368980]

約数ペア:

[(1, 19810368980), (2, 9905184490), (4, 4952592245), (5, 3962073796), (10, 1981036898), (20, 990518449), (1303, 15203660), (2606, 7601830), (5212, 3800915), (6515, 3040732), (13030, 1520366), (26060, 760183)]