18984581

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{661}}^1$

素因数の和:1052

約数の個数: 16

約数和(自身を含む): 23768448

約数和(自身を除く): 4783867

約数列:

[1, 7, 11, 77, 373, 661, 2611, 4103, 4627, 7271, 28721, 50897, 246553, 1725871, 2712083, 18984581]

約数ペア:

[(1, 18984581), (7, 2712083), (11, 1725871), (77, 246553), (373, 50897), (661, 28721), (2611, 7271), (4103, 4627)]