19647873

素因数分解:

$3^3\times 7^2\times {\mathrm{14851}}^1$

素因数の和:14874

約数の個数: 24

約数和(自身を含む): 33862560

約数和(自身を除く): 14214687

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 14851, 44553, 103957, 133659, 311871, 400977, 727699, 935613, 2183097, 2806839, 6549291, 19647873]

約数ペア:

[(1, 19647873), (3, 6549291), (7, 2806839), (9, 2183097), (21, 935613), (27, 727699), (49, 400977), (63, 311871), (147, 133659), (189, 103957), (441, 44553), (1323, 14851)]