19882908

素因数分解:

$2^2\times 3^4\times {\mathrm{109}}^1\times {\mathrm{563}}^1$

素因数の和:688

約数の個数: 60

約数和(自身を含む): 52547880

約数和(自身を除く): 32664972

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 109, 162, 218, 324, 327, 436, 563, 654, 981, 1126, 1308, 1689, 1962, 2252, 2943, 3378, 3924, 5067, 5886, 6756, 8829, 10134, 11772, 15201, 17658, 20268, 30402, 35316, 45603, 60804, 61367, 91206, 122734, 182412, 184101, 245468, 368202, 552303, 736404, 1104606, 1656909, 2209212, 3313818, 4970727, 6627636, 9941454, 19882908]

約数ペア:

[(1, 19882908), (2, 9941454), (3, 6627636), (4, 4970727), (6, 3313818), (9, 2209212), (12, 1656909), (18, 1104606), (27, 736404), (36, 552303), (54, 368202), (81, 245468), (108, 184101), (109, 182412), (162, 122734), (218, 91206), (324, 61367), (327, 60804), (436, 45603), (563, 35316), (654, 30402), (981, 20268), (1126, 17658), (1308, 15201), (1689, 11772), (1962, 10134), (2252, 8829), (2943, 6756), (3378, 5886), (3924, 5067)]