19186857

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{677}}^1$

素因数の和:797

約数の個数: 24

約数和(自身を含む): 28768896

約数和(自身を除く): 9582039

約数列:

[1, 3, 9, 47, 67, 141, 201, 423, 603, 677, 2031, 3149, 6093, 9447, 28341, 31819, 45359, 95457, 136077, 286371, 408231, 2131873, 6395619, 19186857]

約数ペア:

[(1, 19186857), (3, 6395619), (9, 2131873), (47, 408231), (67, 286371), (141, 136077), (201, 95457), (423, 45359), (603, 31819), (677, 28341), (2031, 9447), (3149, 6093)]