19919544

素因数分解:

$2^3\times 3^1\times {\mathrm{601}}^1\times {\mathrm{1381}}^1$

素因数の和:1991

約数の個数: 32

約数和(自身を含む): 49917840

約数和(自身を除く): 29998296

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 601, 1202, 1381, 1803, 2404, 2762, 3606, 4143, 4808, 5524, 7212, 8286, 11048, 14424, 16572, 33144, 829981, 1659962, 2489943, 3319924, 4979886, 6639848, 9959772, 19919544]

約数ペア:

[(1, 19919544), (2, 9959772), (3, 6639848), (4, 4979886), (6, 3319924), (8, 2489943), (12, 1659962), (24, 829981), (601, 33144), (1202, 16572), (1381, 14424), (1803, 11048), (2404, 8286), (2762, 7212), (3606, 5524), (4143, 4808)]