19182121

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1\times {\mathrm{269}}^1$

素因数の和:504

約数の個数: 16

約数和(自身を含む): 22498560

約数和(自身を除く): 3316439

約数列:

[1, 7, 61, 167, 269, 427, 1169, 1883, 10187, 16409, 44923, 71309, 114863, 314461, 2740303, 19182121]

約数ペア:

[(1, 19182121), (7, 2740303), (61, 314461), (167, 114863), (269, 71309), (427, 44923), (1169, 16409), (1883, 10187)]