22811780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{347}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 50863680

約数和(自身を除く): 28051900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 173, 190, 346, 347, 380, 692, 694, 865, 1388, 1730, 1735, 3287, 3460, 3470, 6574, 6593, 6940, 13148, 13186, 16435, 26372, 32870, 32965, 60031, 65740, 65930, 120062, 131860, 240124, 300155, 600310, 1140589, 1200620, 2281178, 4562356, 5702945, 11405890, 22811780]

約数ペア:

[(1, 22811780), (2, 11405890), (4, 5702945), (5, 4562356), (10, 2281178), (19, 1200620), (20, 1140589), (38, 600310), (76, 300155), (95, 240124), (173, 131860), (190, 120062), (346, 65930), (347, 65740), (380, 60031), (692, 32965), (694, 32870), (865, 26372), (1388, 16435), (1730, 13186), (1735, 13148), (3287, 6940), (3460, 6593), (3470, 6574)]