19809652

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{977}}^1$

素因数の和:1155

約数の個数: 24

約数和(自身を含む): 35900424

約数和(自身を除く): 16090772

約数列:

[1, 2, 4, 37, 74, 137, 148, 274, 548, 977, 1954, 3908, 5069, 10138, 20276, 36149, 72298, 133849, 144596, 267698, 535396, 4952413, 9904826, 19809652]

約数ペア:

[(1, 19809652), (2, 9904826), (4, 4952413), (37, 535396), (74, 267698), (137, 144596), (148, 133849), (274, 72298), (548, 36149), (977, 20276), (1954, 10138), (3908, 5069)]