27154990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1091}}^1$

素因数の和:1248

約数の個数: 32

約数和(自身を含む): 51891840

約数和(自身を除く): 24736850

約数列:

[1, 2, 5, 10, 19, 38, 95, 131, 190, 262, 655, 1091, 1310, 2182, 2489, 4978, 5455, 10910, 12445, 20729, 24890, 41458, 103645, 142921, 207290, 285842, 714605, 1429210, 2715499, 5430998, 13577495, 27154990]

約数ペア:

[(1, 27154990), (2, 13577495), (5, 5430998), (10, 2715499), (19, 1429210), (38, 714605), (95, 285842), (131, 207290), (190, 142921), (262, 103645), (655, 41458), (1091, 24890), (1310, 20729), (2182, 12445), (2489, 10910), (4978, 5455)]