19977508737

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{12540809}}^1$

素因数の和:12540877

約数の個数: 16

約数和(自身を含む): 30097944000

約数和(自身を除く): 10120435263

約数列:

[1, 3, 9, 27, 59, 177, 531, 1593, 12540809, 37622427, 112867281, 338601843, 739907731, 2219723193, 6659169579, 19977508737]

約数ペア:

[(1, 19977508737), (3, 6659169579), (9, 2219723193), (27, 739907731), (59, 338601843), (177, 112867281), (531, 37622427), (1593, 12540809)]