19245212

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 40340160

約数和(自身を除く): 21094948

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 137, 173, 203, 274, 346, 406, 548, 692, 812, 959, 1211, 1918, 2422, 3836, 3973, 4844, 5017, 7946, 10034, 15892, 20068, 23701, 27811, 35119, 47402, 55622, 70238, 94804, 111244, 140476, 165907, 331814, 663628, 687329, 1374658, 2749316, 4811303, 9622606, 19245212]

約数ペア:

[(1, 19245212), (2, 9622606), (4, 4811303), (7, 2749316), (14, 1374658), (28, 687329), (29, 663628), (58, 331814), (116, 165907), (137, 140476), (173, 111244), (203, 94804), (274, 70238), (346, 55622), (406, 47402), (548, 35119), (692, 27811), (812, 23701), (959, 20068), (1211, 15892), (1918, 10034), (2422, 7946), (3836, 5017), (3973, 4844)]