19974156937

素因数分解:

$7^1\times {\mathrm{1009}}^1\times {\mathrm{1451}}^1\times {\mathrm{1949}}^1$

素因数の和:4416

約数の個数: 16

約数和(自身を含む): 22877712000

約数和(自身を除く): 2903555063

約数列:

[1, 7, 1009, 1451, 1949, 7063, 10157, 13643, 1464059, 1966541, 2827999, 10248413, 13765787, 19795993, 2853450991, 19974156937]

約数ペア:

[(1, 19974156937), (7, 2853450991), (1009, 19795993), (1451, 13765787), (1949, 10248413), (7063, 2827999), (10157, 1966541), (13643, 1464059)]