18546920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{66239}}^1$

素因数の和:66257

約数の個数: 32

約数和(自身を含む): 47692800

約数和(自身を除く): 29145880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 66239, 132478, 264956, 331195, 463673, 529912, 662390, 927346, 1324780, 1854692, 2318365, 2649560, 3709384, 4636730, 9273460, 18546920]

約数ペア:

[(1, 18546920), (2, 9273460), (4, 4636730), (5, 3709384), (7, 2649560), (8, 2318365), (10, 1854692), (14, 1324780), (20, 927346), (28, 662390), (35, 529912), (40, 463673), (56, 331195), (70, 264956), (140, 132478), (280, 66239)]