19228220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1231}}^1$

素因数の和:1322

約数の個数: 48

約数和(自身を含む): 44706816

約数和(自身を除く): 25478596

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1231, 1420, 1562, 2462, 3124, 3905, 4924, 6155, 7810, 12310, 13541, 15620, 24620, 27082, 54164, 67705, 87401, 135410, 174802, 270820, 349604, 437005, 874010, 961411, 1748020, 1922822, 3845644, 4807055, 9614110, 19228220]

約数ペア:

[(1, 19228220), (2, 9614110), (4, 4807055), (5, 3845644), (10, 1922822), (11, 1748020), (20, 961411), (22, 874010), (44, 437005), (55, 349604), (71, 270820), (110, 174802), (142, 135410), (220, 87401), (284, 67705), (355, 54164), (710, 27082), (781, 24620), (1231, 15620), (1420, 13541), (1562, 12310), (2462, 7810), (3124, 6155), (3905, 4924)]