18718343

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{977}}^1$

素因数の和:1031

約数の個数: 24

約数和(自身を含む): 24082272

約数和(自身を除く): 5363929

約数列:

[1, 7, 17, 23, 49, 119, 161, 391, 833, 977, 1127, 2737, 6839, 16609, 19159, 22471, 47873, 116263, 157297, 382007, 813841, 1101079, 2674049, 18718343]

約数ペア:

[(1, 18718343), (7, 2674049), (17, 1101079), (23, 813841), (49, 382007), (119, 157297), (161, 116263), (391, 47873), (833, 22471), (977, 19159), (1127, 16609), (2737, 6839)]