18905768

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2837}}^1$

素因数の和:2874

約数の個数: 48

約数和(自身を含む): 43676820

約数和(自身を除く): 24771052

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 49, 56, 68, 98, 119, 136, 196, 238, 392, 476, 833, 952, 1666, 2837, 3332, 5674, 6664, 11348, 19859, 22696, 39718, 48229, 79436, 96458, 139013, 158872, 192916, 278026, 337603, 385832, 556052, 675206, 1112104, 1350412, 2363221, 2700824, 4726442, 9452884, 18905768]

約数ペア:

[(1, 18905768), (2, 9452884), (4, 4726442), (7, 2700824), (8, 2363221), (14, 1350412), (17, 1112104), (28, 675206), (34, 556052), (49, 385832), (56, 337603), (68, 278026), (98, 192916), (119, 158872), (136, 139013), (196, 96458), (238, 79436), (392, 48229), (476, 39718), (833, 22696), (952, 19859), (1666, 11348), (2837, 6664), (3332, 5674)]