19671897

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1049}}^1$

素因数の和:1125

約数の個数: 32

約数和(自身を含む): 32256000

約数和(自身を除く): 12584103

約数列:

[1, 3, 7, 19, 21, 47, 57, 133, 141, 329, 399, 893, 987, 1049, 2679, 3147, 6251, 7343, 18753, 19931, 22029, 49303, 59793, 139517, 147909, 345121, 418551, 936757, 1035363, 2810271, 6557299, 19671897]

約数ペア:

[(1, 19671897), (3, 6557299), (7, 2810271), (19, 1035363), (21, 936757), (47, 418551), (57, 345121), (133, 147909), (141, 139517), (329, 59793), (399, 49303), (893, 22029), (987, 19931), (1049, 18753), (2679, 7343), (3147, 6251)]