19290274

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:282

約数の個数: 32

約数和(自身を含む): 31819392

約数和(自身を除く): 12529118

約数列:

[1, 2, 17, 34, 61, 71, 122, 131, 142, 262, 1037, 1207, 2074, 2227, 2414, 4331, 4454, 7991, 8662, 9301, 15982, 18602, 73627, 135847, 147254, 158117, 271694, 316234, 567361, 1134722, 9645137, 19290274]

約数ペア:

[(1, 19290274), (2, 9645137), (17, 1134722), (34, 567361), (61, 316234), (71, 271694), (122, 158117), (131, 147254), (142, 135847), (262, 73627), (1037, 18602), (1207, 15982), (2074, 9301), (2227, 8662), (2414, 7991), (4331, 4454)]