18814600

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:263

約数の個数: 96

約数和(自身を含む): 50889600

約数和(自身を除く): 32075000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 89, 100, 140, 151, 175, 178, 200, 280, 302, 350, 356, 445, 604, 623, 700, 712, 755, 890, 1057, 1208, 1246, 1400, 1510, 1780, 2114, 2225, 2492, 3020, 3115, 3560, 3775, 4228, 4450, 4984, 5285, 6040, 6230, 7550, 8456, 8900, 10570, 12460, 13439, 15100, 15575, 17800, 21140, 24920, 26425, 26878, 30200, 31150, 42280, 52850, 53756, 62300, 67195, 94073, 105700, 107512, 124600, 134390, 188146, 211400, 268780, 335975, 376292, 470365, 537560, 671950, 752584, 940730, 1343900, 1881460, 2351825, 2687800, 3762920, 4703650, 9407300, 18814600]

約数ペア:

[(1, 18814600), (2, 9407300), (4, 4703650), (5, 3762920), (7, 2687800), (8, 2351825), (10, 1881460), (14, 1343900), (20, 940730), (25, 752584), (28, 671950), (35, 537560), (40, 470365), (50, 376292), (56, 335975), (70, 268780), (89, 211400), (100, 188146), (140, 134390), (151, 124600), (175, 107512), (178, 105700), (200, 94073), (280, 67195), (302, 62300), (350, 53756), (356, 52850), (445, 42280), (604, 31150), (623, 30200), (700, 26878), (712, 26425), (755, 24920), (890, 21140), (1057, 17800), (1208, 15575), (1246, 15100), (1400, 13439), (1510, 12460), (1780, 10570), (2114, 8900), (2225, 8456), (2492, 7550), (3020, 6230), (3115, 6040), (3560, 5285), (3775, 4984), (4228, 4450)]