19869453

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{397}}^1$

素因数の和:553

約数の個数: 24

約数和(自身を含む): 29553888

約数和(自身を除く): 9684435

約数列:

[1, 3, 9, 67, 83, 201, 249, 397, 603, 747, 1191, 3573, 5561, 16683, 26599, 32951, 50049, 79797, 98853, 239391, 296559, 2207717, 6623151, 19869453]

約数ペア:

[(1, 19869453), (3, 6623151), (9, 2207717), (67, 296559), (83, 239391), (201, 98853), (249, 79797), (397, 50049), (603, 32951), (747, 26599), (1191, 16683), (3573, 5561)]