19179778

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{6389}}^1$

素因数の和:6489

約数の個数: 16

約数和(自身を含む): 30672000

約数和(自身を除く): 11492222

約数列:

[1, 2, 19, 38, 79, 158, 1501, 3002, 6389, 12778, 121391, 242782, 504731, 1009462, 9589889, 19179778]

約数ペア:

[(1, 19179778), (2, 9589889), (19, 1009462), (38, 504731), (79, 242782), (158, 121391), (1501, 12778), (3002, 6389)]