19141278

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{439}}^1$

素因数の和:513

約数の個数: 48

約数和(自身を含む): 42514560

約数和(自身を除く): 23373282

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 169, 258, 338, 439, 507, 559, 878, 1014, 1118, 1317, 1677, 2634, 3354, 5707, 7267, 11414, 14534, 17121, 18877, 21801, 34242, 37754, 43602, 56631, 74191, 113262, 148382, 222573, 245401, 445146, 490802, 736203, 1472406, 3190213, 6380426, 9570639, 19141278]

約数ペア:

[(1, 19141278), (2, 9570639), (3, 6380426), (6, 3190213), (13, 1472406), (26, 736203), (39, 490802), (43, 445146), (78, 245401), (86, 222573), (129, 148382), (169, 113262), (258, 74191), (338, 56631), (439, 43602), (507, 37754), (559, 34242), (878, 21801), (1014, 18877), (1118, 17121), (1317, 14534), (1677, 11414), (2634, 7267), (3354, 5707)]