19670833

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{367}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 26378240

約数和(自身を除く): 6707407

約数列:

[1, 7, 13, 19, 31, 91, 133, 217, 247, 367, 403, 589, 1729, 2569, 2821, 4123, 4771, 6973, 7657, 11377, 33397, 48811, 53599, 79639, 90649, 147901, 216163, 634543, 1035307, 1513141, 2810119, 19670833]

約数ペア:

[(1, 19670833), (7, 2810119), (13, 1513141), (19, 1035307), (31, 634543), (91, 216163), (133, 147901), (217, 90649), (247, 79639), (367, 53599), (403, 48811), (589, 33397), (1729, 11377), (2569, 7657), (2821, 6973), (4123, 4771)]