19210115

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{1021}}^1$

素因数の和:1150

約数の個数: 16

約数和(自身を含む): 23841216

約数和(自身を除く): 4631101

約数列:

[1, 5, 53, 71, 265, 355, 1021, 3763, 5105, 18815, 54113, 72491, 270565, 362455, 3842023, 19210115]

約数ペア:

[(1, 19210115), (5, 3842023), (53, 362455), (71, 270565), (265, 72491), (355, 54113), (1021, 18815), (3763, 5105)]