19799494

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{647}}^1$

素因数の和:780

約数の個数: 32

約数和(自身を含む): 35271936

約数和(自身を除く): 15472442

約数列:

[1, 2, 11, 13, 22, 26, 107, 143, 214, 286, 647, 1177, 1294, 1391, 2354, 2782, 7117, 8411, 14234, 15301, 16822, 30602, 69229, 92521, 138458, 185042, 761519, 899977, 1523038, 1799954, 9899747, 19799494]

約数ペア:

[(1, 19799494), (2, 9899747), (11, 1799954), (13, 1523038), (22, 899977), (26, 761519), (107, 185042), (143, 138458), (214, 92521), (286, 69229), (647, 30602), (1177, 16822), (1294, 15301), (1391, 14234), (2354, 8411), (2782, 7117)]