19487772

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{12589}}^1$

素因数の和:12642

約数の個数: 36

約数和(自身を含む): 50410360

約数和(自身を除く): 30922588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 12589, 25178, 37767, 50356, 75534, 113301, 151068, 226602, 453204, 541327, 1082654, 1623981, 2165308, 3247962, 4871943, 6495924, 9743886, 19487772]

約数ペア:

[(1, 19487772), (2, 9743886), (3, 6495924), (4, 4871943), (6, 3247962), (9, 2165308), (12, 1623981), (18, 1082654), (36, 541327), (43, 453204), (86, 226602), (129, 151068), (172, 113301), (258, 75534), (387, 50356), (516, 37767), (774, 25178), (1548, 12589)]