18856075

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 28926720

約数和(自身を除く): 10070645

約数列:

[1, 5, 7, 19, 25, 35, 53, 95, 107, 133, 175, 265, 371, 475, 535, 665, 749, 1007, 1325, 1855, 2033, 2675, 3325, 3745, 5035, 5671, 7049, 9275, 10165, 14231, 18725, 25175, 28355, 35245, 39697, 50825, 71155, 107749, 141775, 176225, 198485, 355775, 538745, 754243, 992425, 2693725, 3771215, 18856075]

約数ペア:

[(1, 18856075), (5, 3771215), (7, 2693725), (19, 992425), (25, 754243), (35, 538745), (53, 355775), (95, 198485), (107, 176225), (133, 141775), (175, 107749), (265, 71155), (371, 50825), (475, 39697), (535, 35245), (665, 28355), (749, 25175), (1007, 18725), (1325, 14231), (1855, 10165), (2033, 9275), (2675, 7049), (3325, 5671), (3745, 5035)]