19993884

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{757}}^1$

素因数の和:866

約数の個数: 48

約数和(自身を含む): 48900096

約数和(自身を除く): 28906212

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 71, 93, 124, 142, 186, 213, 284, 372, 426, 757, 852, 1514, 2201, 2271, 3028, 4402, 4542, 6603, 8804, 9084, 13206, 23467, 26412, 46934, 53747, 70401, 93868, 107494, 140802, 161241, 214988, 281604, 322482, 644964, 1666157, 3332314, 4998471, 6664628, 9996942, 19993884]

約数ペア:

[(1, 19993884), (2, 9996942), (3, 6664628), (4, 4998471), (6, 3332314), (12, 1666157), (31, 644964), (62, 322482), (71, 281604), (93, 214988), (124, 161241), (142, 140802), (186, 107494), (213, 93868), (284, 70401), (372, 53747), (426, 46934), (757, 26412), (852, 23467), (1514, 13206), (2201, 9084), (2271, 8804), (3028, 6603), (4402, 4542)]