18291560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{65327}}^1$

素因数の和:65345

約数の個数: 32

約数和(自身を含む): 47036160

約数和(自身を除く): 28744600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 65327, 130654, 261308, 326635, 457289, 522616, 653270, 914578, 1306540, 1829156, 2286445, 2613080, 3658312, 4572890, 9145780, 18291560]

約数ペア:

[(1, 18291560), (2, 9145780), (4, 4572890), (5, 3658312), (7, 2613080), (8, 2286445), (10, 1829156), (14, 1306540), (20, 914578), (28, 653270), (35, 522616), (40, 457289), (56, 326635), (70, 261308), (140, 130654), (280, 65327)]