19319378

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{401}}^1$

素因数の和:542

約数の個数: 32

約数和(自身を含む): 33430320

約数和(自身を除く): 14110942

約数列:

[1, 2, 13, 17, 26, 34, 109, 218, 221, 401, 442, 802, 1417, 1853, 2834, 3706, 5213, 6817, 10426, 13634, 24089, 43709, 48178, 87418, 88621, 177242, 568217, 743053, 1136434, 1486106, 9659689, 19319378]

約数ペア:

[(1, 19319378), (2, 9659689), (13, 1486106), (17, 1136434), (26, 743053), (34, 568217), (109, 177242), (218, 88621), (221, 87418), (401, 48178), (442, 43709), (802, 24089), (1417, 13634), (1853, 10426), (2834, 6817), (3706, 5213)]