19957428

素因数分解:

$2^2\times 3^4\times {\mathrm{31}}^1\times {\mathrm{1987}}^1$

素因数の和:2034

約数の個数: 60

約数和(自身を含む): 53882752

約数和(自身を除く): 33925324

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 81, 93, 108, 124, 162, 186, 279, 324, 372, 558, 837, 1116, 1674, 1987, 2511, 3348, 3974, 5022, 5961, 7948, 10044, 11922, 17883, 23844, 35766, 53649, 61597, 71532, 107298, 123194, 160947, 184791, 214596, 246388, 321894, 369582, 554373, 643788, 739164, 1108746, 1663119, 2217492, 3326238, 4989357, 6652476, 9978714, 19957428]

約数ペア:

[(1, 19957428), (2, 9978714), (3, 6652476), (4, 4989357), (6, 3326238), (9, 2217492), (12, 1663119), (18, 1108746), (27, 739164), (31, 643788), (36, 554373), (54, 369582), (62, 321894), (81, 246388), (93, 214596), (108, 184791), (124, 160947), (162, 123194), (186, 107298), (279, 71532), (324, 61597), (372, 53649), (558, 35766), (837, 23844), (1116, 17883), (1674, 11922), (1987, 10044), (2511, 7948), (3348, 5961), (3974, 5022)]