18842642

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5449}}^1$

素因数の和:5490

約数の個数: 32

約数和(自身を含む): 36624000

約数和(自身を除く): 17781358

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 247, 266, 494, 1729, 3458, 5449, 10898, 38143, 70837, 76286, 103531, 141674, 207062, 495859, 724717, 991718, 1345903, 1449434, 2691806, 9421321, 18842642]

約数ペア:

[(1, 18842642), (2, 9421321), (7, 2691806), (13, 1449434), (14, 1345903), (19, 991718), (26, 724717), (38, 495859), (91, 207062), (133, 141674), (182, 103531), (247, 76286), (266, 70837), (494, 38143), (1729, 10898), (3458, 5449)]