19530790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{877}}^1$

素因数の和:1032

約数の個数: 32

約数和(自身を含む): 37550304

約数和(自身を除く): 18019514

約数列:

[1, 2, 5, 10, 17, 34, 85, 131, 170, 262, 655, 877, 1310, 1754, 2227, 4385, 4454, 8770, 11135, 14909, 22270, 29818, 74545, 114887, 149090, 229774, 574435, 1148870, 1953079, 3906158, 9765395, 19530790]

約数ペア:

[(1, 19530790), (2, 9765395), (5, 3906158), (10, 1953079), (17, 1148870), (34, 574435), (85, 229774), (131, 149090), (170, 114887), (262, 74545), (655, 29818), (877, 22270), (1310, 14909), (1754, 11135), (2227, 8770), (4385, 4454)]