18885601

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{953}}^1$

素因数の和:1128

約数の個数: 16

約数和(自身を含む): 22896000

約数和(自身を除く): 4010399

約数列:

[1, 7, 19, 133, 149, 953, 1043, 2831, 6671, 18107, 19817, 126749, 141997, 993979, 2697943, 18885601]

約数ペア:

[(1, 18885601), (7, 2697943), (19, 993979), (133, 141997), (149, 126749), (953, 19817), (1043, 18107), (2831, 6671)]