19386718

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{359}}^1$

素因数の和:472

約数の個数: 32

約数和(自身を含む): 32901120

約数和(自身を除く): 13514402

約数列:

[1, 2, 13, 26, 31, 62, 67, 134, 359, 403, 718, 806, 871, 1742, 2077, 4154, 4667, 9334, 11129, 22258, 24053, 27001, 48106, 54002, 144677, 289354, 312689, 625378, 745643, 1491286, 9693359, 19386718]

約数ペア:

[(1, 19386718), (2, 9693359), (13, 1491286), (26, 745643), (31, 625378), (62, 312689), (67, 289354), (134, 144677), (359, 54002), (403, 48106), (718, 27001), (806, 24053), (871, 22258), (1742, 11129), (2077, 9334), (4154, 4667)]