19945915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{19087}}^1$

素因数の和:19122

約数の個数: 16

約数和(自身を含む): 27486720

約数和(自身を除く): 7540805

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 19087, 95435, 209957, 362653, 1049785, 1813265, 3989183, 19945915]

約数ペア:

[(1, 19945915), (5, 3989183), (11, 1813265), (19, 1049785), (55, 362653), (95, 209957), (209, 95435), (1045, 19087)]