19459219

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{431}}^1$

素因数の和:618

約数の個数: 16

約数和(自身を含む): 22063104

約数和(自身を除く): 2603885

約数列:

[1, 13, 23, 151, 299, 431, 1963, 3473, 5603, 9913, 45149, 65081, 128869, 846053, 1496863, 19459219]

約数ペア:

[(1, 19459219), (13, 1496863), (23, 846053), (151, 128869), (299, 65081), (431, 45149), (1963, 9913), (3473, 5603)]