19918494

素因数分解:

$2^1\times 3^3\times {\mathrm{347}}^1\times {\mathrm{1063}}^1$

素因数の和:1421

約数の個数: 32

約数和(自身を含む): 44432640

約数和(自身を除く): 24514146

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 347, 694, 1041, 1063, 2082, 2126, 3123, 3189, 6246, 6378, 9369, 9567, 18738, 19134, 28701, 57402, 368861, 737722, 1106583, 2213166, 3319749, 6639498, 9959247, 19918494]

約数ペア:

[(1, 19918494), (2, 9959247), (3, 6639498), (6, 3319749), (9, 2213166), (18, 1106583), (27, 737722), (54, 368861), (347, 57402), (694, 28701), (1041, 19134), (1063, 18738), (2082, 9567), (2126, 9369), (3123, 6378), (3189, 6246)]