19645992

素因数分解:

$2^3\times 3^2\times {\mathrm{29}}^1\times {\mathrm{97}}^2$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 55615950

約数和(自身を除く): 35969958

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 29, 36, 58, 72, 87, 97, 116, 174, 194, 232, 261, 291, 348, 388, 522, 582, 696, 776, 873, 1044, 1164, 1746, 2088, 2328, 2813, 3492, 5626, 6984, 8439, 9409, 11252, 16878, 18818, 22504, 25317, 28227, 33756, 37636, 50634, 56454, 67512, 75272, 84681, 101268, 112908, 169362, 202536, 225816, 272861, 338724, 545722, 677448, 818583, 1091444, 1637166, 2182888, 2455749, 3274332, 4911498, 6548664, 9822996, 19645992]

約数ペア:

[(1, 19645992), (2, 9822996), (3, 6548664), (4, 4911498), (6, 3274332), (8, 2455749), (9, 2182888), (12, 1637166), (18, 1091444), (24, 818583), (29, 677448), (36, 545722), (58, 338724), (72, 272861), (87, 225816), (97, 202536), (116, 169362), (174, 112908), (194, 101268), (232, 84681), (261, 75272), (291, 67512), (348, 56454), (388, 50634), (522, 37636), (582, 33756), (696, 28227), (776, 25317), (873, 22504), (1044, 18818), (1164, 16878), (1746, 11252), (2088, 9409), (2328, 8439), (2813, 6984), (3492, 5626)]