20188788238

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{7309}}^1\times {\mathrm{72689}}^1$

素因数の和:80019

約数の個数: 16

約数和(自身を含む): 31881834000

約数和(自身を除く): 11693045762

約数列:

[1, 2, 19, 38, 7309, 14618, 72689, 138871, 145378, 277742, 1381091, 2762182, 531283901, 1062567802, 10094394119, 20188788238]

約数ペア:

[(1, 20188788238), (2, 10094394119), (19, 1062567802), (38, 531283901), (7309, 2762182), (14618, 1381091), (72689, 277742), (138871, 145378)]