19927428

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1231}}^1$

素因数の和:1328

約数の個数: 48

約数和(自身を含む): 49674240

約数和(自身を除く): 29746812

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 71, 76, 114, 142, 213, 228, 284, 426, 852, 1231, 1349, 2462, 2698, 3693, 4047, 4924, 5396, 7386, 8094, 14772, 16188, 23389, 46778, 70167, 87401, 93556, 140334, 174802, 262203, 280668, 349604, 524406, 1048812, 1660619, 3321238, 4981857, 6642476, 9963714, 19927428]

約数ペア:

[(1, 19927428), (2, 9963714), (3, 6642476), (4, 4981857), (6, 3321238), (12, 1660619), (19, 1048812), (38, 524406), (57, 349604), (71, 280668), (76, 262203), (114, 174802), (142, 140334), (213, 93556), (228, 87401), (284, 70167), (426, 46778), (852, 23389), (1231, 16188), (1349, 14772), (2462, 8094), (2698, 7386), (3693, 5396), (4047, 4924)]