19919794

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:346

約数の個数: 32

約数和(自身を含む): 32855040

約数和(自身を除く): 12935246

約数列:

[1, 2, 23, 31, 46, 61, 62, 122, 229, 458, 713, 1403, 1426, 1891, 2806, 3782, 5267, 7099, 10534, 13969, 14198, 27938, 43493, 86986, 163277, 321287, 326554, 433039, 642574, 866078, 9959897, 19919794]

約数ペア:

[(1, 19919794), (2, 9959897), (23, 866078), (31, 642574), (46, 433039), (61, 326554), (62, 321287), (122, 163277), (229, 86986), (458, 43493), (713, 27938), (1403, 14198), (1426, 13969), (1891, 10534), (2806, 7099), (3782, 5267)]