18916490878

素因数分解:

$2^1\times {\mathrm{491}}^1\times {\mathrm{659}}^1\times {\mathrm{29231}}^1$

素因数の和:30383

約数の個数: 16

約数和(自身を含む): 28476645120

約数和(自身を除く): 9560154242

約数列:

[1, 2, 491, 659, 982, 1318, 29231, 58462, 323569, 647138, 14352421, 19263229, 28704842, 38526458, 9458245439, 18916490878]

約数ペア:

[(1, 18916490878), (2, 9458245439), (491, 38526458), (659, 28704842), (982, 19263229), (1318, 14352421), (29231, 647138), (58462, 323569)]