19914720

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{5927}}^1$

素因数の和:5952

約数の個数: 96

約数和(自身を含む): 71705088

約数和(自身を除く): 51790368

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 5927, 11854, 17781, 23708, 29635, 35562, 41489, 47416, 59270, 71124, 82978, 88905, 94832, 118540, 124467, 142248, 165956, 177810, 189664, 207445, 237080, 248934, 284496, 331912, 355620, 414890, 474160, 497868, 568992, 622335, 663824, 711240, 829780, 948320, 995736, 1244670, 1327648, 1422480, 1659560, 1991472, 2489340, 2844960, 3319120, 3982944, 4978680, 6638240, 9957360, 19914720]

約数ペア:

[(1, 19914720), (2, 9957360), (3, 6638240), (4, 4978680), (5, 3982944), (6, 3319120), (7, 2844960), (8, 2489340), (10, 1991472), (12, 1659560), (14, 1422480), (15, 1327648), (16, 1244670), (20, 995736), (21, 948320), (24, 829780), (28, 711240), (30, 663824), (32, 622335), (35, 568992), (40, 497868), (42, 474160), (48, 414890), (56, 355620), (60, 331912), (70, 284496), (80, 248934), (84, 237080), (96, 207445), (105, 189664), (112, 177810), (120, 165956), (140, 142248), (160, 124467), (168, 118540), (210, 94832), (224, 88905), (240, 82978), (280, 71124), (336, 59270), (420, 47416), (480, 41489), (560, 35562), (672, 29635), (840, 23708), (1120, 17781), (1680, 11854), (3360, 5927)]