18851320117

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1081979}}^1$

素因数の和:1082136

約数の個数: 16

約数和(自身を含む): 22851417600

約数和(自身を除く): 4000097483

約数列:

[1, 7, 19, 131, 133, 917, 2489, 17423, 1081979, 7573853, 20557601, 141739249, 143903207, 992174743, 2693045731, 18851320117]

約数ペア:

[(1, 18851320117), (7, 2693045731), (19, 992174743), (131, 143903207), (133, 141739249), (917, 20557601), (2489, 7573853), (17423, 1081979)]