19745928

素因数分解:

$2^3\times 3^2\times {\mathrm{41}}^1\times {\mathrm{6689}}^1$

素因数の和:6742

約数の個数: 48

約数和(自身を含む): 54791100

約数和(自身を除く): 35045172

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 41, 72, 82, 123, 164, 246, 328, 369, 492, 738, 984, 1476, 2952, 6689, 13378, 20067, 26756, 40134, 53512, 60201, 80268, 120402, 160536, 240804, 274249, 481608, 548498, 822747, 1096996, 1645494, 2193992, 2468241, 3290988, 4936482, 6581976, 9872964, 19745928]

約数ペア:

[(1, 19745928), (2, 9872964), (3, 6581976), (4, 4936482), (6, 3290988), (8, 2468241), (9, 2193992), (12, 1645494), (18, 1096996), (24, 822747), (36, 548498), (41, 481608), (72, 274249), (82, 240804), (123, 160536), (164, 120402), (246, 80268), (328, 60201), (369, 53512), (492, 40134), (738, 26756), (984, 20067), (1476, 13378), (2952, 6689)]