19979802

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{16567}}^1$

素因数の和:16642

約数の個数: 24

約数和(自身を含む): 43938336

約数和(自身を除く): 23958534

約数列:

[1, 2, 3, 6, 9, 18, 67, 134, 201, 402, 603, 1206, 16567, 33134, 49701, 99402, 149103, 298206, 1109989, 2219978, 3329967, 6659934, 9989901, 19979802]

約数ペア:

[(1, 19979802), (2, 9989901), (3, 6659934), (6, 3329967), (9, 2219978), (18, 1109989), (67, 298206), (134, 149103), (201, 99402), (402, 49701), (603, 33134), (1206, 16567)]