19897776

素因数分解:

$2^4\times 3^2\times {\mathrm{138179}}^1$

素因数の和:138193

約数の個数: 30

約数和(自身を含む): 55686540

約数和(自身を除く): 35788764

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 138179, 276358, 414537, 552716, 829074, 1105432, 1243611, 1658148, 2210864, 2487222, 3316296, 4974444, 6632592, 9948888, 19897776]

約数ペア:

[(1, 19897776), (2, 9948888), (3, 6632592), (4, 4974444), (6, 3316296), (8, 2487222), (9, 2210864), (12, 1658148), (16, 1243611), (18, 1105432), (24, 829074), (36, 552716), (48, 414537), (72, 276358), (144, 138179)]