19954454

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{18719}}^1$

素因数の和:18775

約数の個数: 16

約数和(自身を含む): 33022080

約数和(自身を除く): 13067626

約数列:

[1, 2, 13, 26, 41, 82, 533, 1066, 18719, 37438, 243347, 486694, 767479, 1534958, 9977227, 19954454]

約数ペア:

[(1, 19954454), (2, 9977227), (13, 1534958), (26, 767479), (41, 486694), (82, 243347), (533, 37438), (1066, 18719)]