19762984

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{677}}^1$

素因数の和:813

約数の個数: 32

約数和(自身を含む): 38442600

約数和(自身を除く): 18679616

約数列:

[1, 2, 4, 8, 41, 82, 89, 164, 178, 328, 356, 677, 712, 1354, 2708, 3649, 5416, 7298, 14596, 27757, 29192, 55514, 60253, 111028, 120506, 222056, 241012, 482024, 2470373, 4940746, 9881492, 19762984]

約数ペア:

[(1, 19762984), (2, 9881492), (4, 4940746), (8, 2470373), (41, 482024), (82, 241012), (89, 222056), (164, 120506), (178, 111028), (328, 60253), (356, 55514), (677, 29192), (712, 27757), (1354, 14596), (2708, 7298), (3649, 5416)]