18461961

素因数分解:

$3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2237}}^1$

素因数の和:2381

約数の個数: 24

約数和(自身を含む): 30723264

約数和(自身を除く): 12261303

約数列:

[1, 3, 7, 9, 21, 63, 131, 393, 917, 1179, 2237, 2751, 6711, 8253, 15659, 20133, 46977, 140931, 293047, 879141, 2051329, 2637423, 6153987, 18461961]

約数ペア:

[(1, 18461961), (3, 6153987), (7, 2637423), (9, 2051329), (21, 879141), (63, 293047), (131, 140931), (393, 46977), (917, 20133), (1179, 15659), (2237, 8253), (2751, 6711)]