19118028

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1181}}^1$

素因数の和:1278

約数の個数: 48

約数和(自身を含む): 47658240

約数和(自身を除く): 28540212

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 71, 76, 114, 142, 213, 228, 284, 426, 852, 1181, 1349, 2362, 2698, 3543, 4047, 4724, 5396, 7086, 8094, 14172, 16188, 22439, 44878, 67317, 83851, 89756, 134634, 167702, 251553, 269268, 335404, 503106, 1006212, 1593169, 3186338, 4779507, 6372676, 9559014, 19118028]

約数ペア:

[(1, 19118028), (2, 9559014), (3, 6372676), (4, 4779507), (6, 3186338), (12, 1593169), (19, 1006212), (38, 503106), (57, 335404), (71, 269268), (76, 251553), (114, 167702), (142, 134634), (213, 89756), (228, 83851), (284, 67317), (426, 44878), (852, 22439), (1181, 16188), (1349, 14172), (2362, 8094), (2698, 7086), (3543, 5396), (4047, 4724)]