19754330

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{27823}}^1$

素因数の和:27901

約数の個数: 16

約数和(自身を含む): 36059904

約数和(自身を除く): 16305574

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 27823, 55646, 139115, 278230, 1975433, 3950866, 9877165, 19754330]

約数ペア:

[(1, 19754330), (2, 9877165), (5, 3950866), (10, 1975433), (71, 278230), (142, 139115), (355, 55646), (710, 27823)]