19556188

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{2069}}^1$

素因数の和:2229

約数の個数: 24

約数和(自身を含む): 36514800

約数和(自身を除く): 16958612

約数列:

[1, 2, 4, 17, 34, 68, 139, 278, 556, 2069, 2363, 4138, 4726, 8276, 9452, 35173, 70346, 140692, 287591, 575182, 1150364, 4889047, 9778094, 19556188]

約数ペア:

[(1, 19556188), (2, 9778094), (4, 4889047), (17, 1150364), (34, 575182), (68, 287591), (139, 140692), (278, 70346), (556, 35173), (2069, 9452), (2363, 8276), (4138, 4726)]