19819773

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{461}}^1$

素因数の和:765

約数の個数: 24

約数和(自身を含む): 30486456

約数和(自身を除く): 10666683

約数列:

[1, 3, 9, 17, 51, 153, 281, 461, 843, 1383, 2529, 4149, 4777, 7837, 14331, 23511, 42993, 70533, 129541, 388623, 1165869, 2202197, 6606591, 19819773]

約数ペア:

[(1, 19819773), (3, 6606591), (9, 2202197), (17, 1165869), (51, 388623), (153, 129541), (281, 70533), (461, 42993), (843, 23511), (1383, 14331), (2529, 7837), (4149, 4777)]