1999290438

素因数分解:

$2^1\times 3^4\times {\mathrm{157}}^1\times {\mathrm{78607}}^1$

素因数の和:78778

約数の個数: 40

約数和(自身を含む): 4508483232

約数和(自身を除く): 2509192794

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 157, 162, 314, 471, 942, 1413, 2826, 4239, 8478, 12717, 25434, 78607, 157214, 235821, 471642, 707463, 1414926, 2122389, 4244778, 6367167, 12341299, 12734334, 24682598, 37023897, 74047794, 111071691, 222143382, 333215073, 666430146, 999645219, 1999290438]

約数ペア:

[(1, 1999290438), (2, 999645219), (3, 666430146), (6, 333215073), (9, 222143382), (18, 111071691), (27, 74047794), (54, 37023897), (81, 24682598), (157, 12734334), (162, 12341299), (314, 6367167), (471, 4244778), (942, 2122389), (1413, 1414926), (2826, 707463), (4239, 471642), (8478, 235821), (12717, 157214), (25434, 78607)]