19778646

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{41}}^2\times {\mathrm{53}}^1$

素因数の和:177

約数の個数: 48

約数和(自身を含む): 42427152

約数和(自身を除く): 22648506

約数列:

[1, 2, 3, 6, 37, 41, 53, 74, 82, 106, 111, 123, 159, 222, 246, 318, 1517, 1681, 1961, 2173, 3034, 3362, 3922, 4346, 4551, 5043, 5883, 6519, 9102, 10086, 11766, 13038, 62197, 80401, 89093, 124394, 160802, 178186, 186591, 241203, 267279, 373182, 482406, 534558, 3296441, 6592882, 9889323, 19778646]

約数ペア:

[(1, 19778646), (2, 9889323), (3, 6592882), (6, 3296441), (37, 534558), (41, 482406), (53, 373182), (74, 267279), (82, 241203), (106, 186591), (111, 178186), (123, 160802), (159, 124394), (222, 89093), (246, 80401), (318, 62197), (1517, 13038), (1681, 11766), (1961, 10086), (2173, 9102), (3034, 6519), (3362, 5883), (3922, 5043), (4346, 4551)]