17911540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{379}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 40219200

約数和(自身を除く): 22307660

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 139, 170, 278, 340, 379, 556, 695, 758, 1390, 1516, 1895, 2363, 2780, 3790, 4726, 6443, 7580, 9452, 11815, 12886, 23630, 25772, 32215, 47260, 52681, 64430, 105362, 128860, 210724, 263405, 526810, 895577, 1053620, 1791154, 3582308, 4477885, 8955770, 17911540]

約数ペア:

[(1, 17911540), (2, 8955770), (4, 4477885), (5, 3582308), (10, 1791154), (17, 1053620), (20, 895577), (34, 526810), (68, 263405), (85, 210724), (139, 128860), (170, 105362), (278, 64430), (340, 52681), (379, 47260), (556, 32215), (695, 25772), (758, 23630), (1390, 12886), (1516, 11815), (1895, 9452), (2363, 7580), (2780, 6443), (3790, 4726)]