19093040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:270

約数の個数: 80

約数和(自身を含む): 47809440

約数和(自身を除く): 28716400

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 101, 136, 139, 170, 202, 272, 278, 340, 404, 505, 556, 680, 695, 808, 1010, 1112, 1360, 1390, 1616, 1717, 2020, 2224, 2363, 2780, 3434, 4040, 4726, 5560, 6868, 8080, 8585, 9452, 11120, 11815, 13736, 14039, 17170, 18904, 23630, 27472, 28078, 34340, 37808, 47260, 56156, 68680, 70195, 94520, 112312, 137360, 140390, 189040, 224624, 238663, 280780, 477326, 561560, 954652, 1123120, 1193315, 1909304, 2386630, 3818608, 4773260, 9546520, 19093040]

約数ペア:

[(1, 19093040), (2, 9546520), (4, 4773260), (5, 3818608), (8, 2386630), (10, 1909304), (16, 1193315), (17, 1123120), (20, 954652), (34, 561560), (40, 477326), (68, 280780), (80, 238663), (85, 224624), (101, 189040), (136, 140390), (139, 137360), (170, 112312), (202, 94520), (272, 70195), (278, 68680), (340, 56156), (404, 47260), (505, 37808), (556, 34340), (680, 28078), (695, 27472), (808, 23630), (1010, 18904), (1112, 17170), (1360, 14039), (1390, 13736), (1616, 11815), (1717, 11120), (2020, 9452), (2224, 8585), (2363, 8080), (2780, 6868), (3434, 5560), (4040, 4726)]