19927692

素因数分解:

$2^2\times 3^2\times {\mathrm{389}}^1\times {\mathrm{1423}}^1$

素因数の和:1822

約数の個数: 36

約数和(自身を含む): 50537760

約数和(自身を除く): 30610068

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 389, 778, 1167, 1423, 1556, 2334, 2846, 3501, 4269, 4668, 5692, 7002, 8538, 12807, 14004, 17076, 25614, 51228, 553547, 1107094, 1660641, 2214188, 3321282, 4981923, 6642564, 9963846, 19927692]

約数ペア:

[(1, 19927692), (2, 9963846), (3, 6642564), (4, 4981923), (6, 3321282), (9, 2214188), (12, 1660641), (18, 1107094), (36, 553547), (389, 51228), (778, 25614), (1167, 17076), (1423, 14004), (1556, 12807), (2334, 8538), (2846, 7002), (3501, 5692), (4269, 4668)]