19984485

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{70121}}^1$

素因数の和:70148

約数の個数: 16

約数和(自身を含む): 33658560

約数和(自身を除く): 13674075

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 70121, 210363, 350605, 1051815, 1332299, 3996897, 6661495, 19984485]

約数ペア:

[(1, 19984485), (3, 6661495), (5, 3996897), (15, 1332299), (19, 1051815), (57, 350605), (95, 210363), (285, 70121)]