18986800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{6781}}^1$

素因数の和:6806

約数の個数: 60

約数和(自身を含む): 52140016

約数和(自身を除く): 33153216

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 6781, 13562, 27124, 33905, 47467, 54248, 67810, 94934, 108496, 135620, 169525, 189868, 237335, 271240, 339050, 379736, 474670, 542480, 678100, 759472, 949340, 1186675, 1356200, 1898680, 2373350, 2712400, 3797360, 4746700, 9493400, 18986800]

約数ペア:

[(1, 18986800), (2, 9493400), (4, 4746700), (5, 3797360), (7, 2712400), (8, 2373350), (10, 1898680), (14, 1356200), (16, 1186675), (20, 949340), (25, 759472), (28, 678100), (35, 542480), (40, 474670), (50, 379736), (56, 339050), (70, 271240), (80, 237335), (100, 189868), (112, 169525), (140, 135620), (175, 108496), (200, 94934), (280, 67810), (350, 54248), (400, 47467), (560, 33905), (700, 27124), (1400, 13562), (2800, 6781)]