19354360

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^2\times {\mathrm{139}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 44616600

約数和(自身を除く): 25262240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 139, 236, 278, 295, 472, 556, 590, 695, 1112, 1180, 1390, 2360, 2780, 3481, 5560, 6962, 8201, 13924, 16402, 17405, 27848, 32804, 34810, 41005, 65608, 69620, 82010, 139240, 164020, 328040, 483859, 967718, 1935436, 2419295, 3870872, 4838590, 9677180, 19354360]

約数ペア:

[(1, 19354360), (2, 9677180), (4, 4838590), (5, 3870872), (8, 2419295), (10, 1935436), (20, 967718), (40, 483859), (59, 328040), (118, 164020), (139, 139240), (236, 82010), (278, 69620), (295, 65608), (472, 41005), (556, 34810), (590, 32804), (695, 27848), (1112, 17405), (1180, 16402), (1390, 13924), (2360, 8201), (2780, 6962), (3481, 5560)]