19115871

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:271

約数の個数: 32

約数和(自身を含む): 28366848

約数和(自身を除く): 9250977

約数列:

[1, 3, 17, 31, 51, 93, 107, 113, 321, 339, 527, 1581, 1819, 1921, 3317, 3503, 5457, 5763, 9951, 10509, 12091, 36273, 56389, 59551, 169167, 178653, 205547, 374821, 616641, 1124463, 6371957, 19115871]

約数ペア:

[(1, 19115871), (3, 6371957), (17, 1124463), (31, 616641), (51, 374821), (93, 205547), (107, 178653), (113, 169167), (321, 59551), (339, 56389), (527, 36273), (1581, 12091), (1819, 10509), (1921, 9951), (3317, 5763), (3503, 5457)]