2019172905

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{631979}}^1$

素因数の和:632061

約数の個数: 24

約数和(自身を含む): 3549199680

約数和(自身を除く): 1530026775

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 631979, 1895937, 3159895, 5687811, 9479685, 28439055, 44870509, 134611527, 224352545, 403834581, 673057635, 2019172905]

約数ペア:

[(1, 2019172905), (3, 673057635), (5, 403834581), (9, 224352545), (15, 134611527), (45, 44870509), (71, 28439055), (213, 9479685), (355, 5687811), (639, 3159895), (1065, 1895937), (3195, 631979)]