19191678

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1$

素因数の和:353

約数の個数: 64

約数和(自身を含む): 44651520

約数和(自身を除く): 25459842

約数列:

[1, 2, 3, 6, 11, 22, 29, 33, 37, 58, 66, 74, 87, 111, 174, 222, 271, 319, 407, 542, 638, 813, 814, 957, 1073, 1221, 1626, 1914, 2146, 2442, 2981, 3219, 5962, 6438, 7859, 8943, 10027, 11803, 15718, 17886, 20054, 23577, 23606, 30081, 35409, 47154, 60162, 70818, 86449, 110297, 172898, 220594, 259347, 290783, 330891, 518694, 581566, 661782, 872349, 1744698, 3198613, 6397226, 9595839, 19191678]

約数ペア:

[(1, 19191678), (2, 9595839), (3, 6397226), (6, 3198613), (11, 1744698), (22, 872349), (29, 661782), (33, 581566), (37, 518694), (58, 330891), (66, 290783), (74, 259347), (87, 220594), (111, 172898), (174, 110297), (222, 86449), (271, 70818), (319, 60162), (407, 47154), (542, 35409), (638, 30081), (813, 23606), (814, 23577), (957, 20054), (1073, 17886), (1221, 15718), (1626, 11803), (1914, 10027), (2146, 8943), (2442, 7859), (2981, 6438), (3219, 5962)]