18723958

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{8263}}^1$

素因数の和:8379

約数の個数: 16

約数和(自身を含む): 30940416

約数和(自身を除く): 12216458

約数列:

[1, 2, 11, 22, 103, 206, 1133, 2266, 8263, 16526, 90893, 181786, 851089, 1702178, 9361979, 18723958]

約数ペア:

[(1, 18723958), (2, 9361979), (11, 1702178), (22, 851089), (103, 181786), (206, 90893), (1133, 16526), (2266, 8263)]