19437873

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{5477}}^1$

素因数の和:5513

約数の個数: 24

約数和(自身を含む): 32079168

約数和(自身を除く): 12641295

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 3549, 5477, 16431, 38339, 71201, 115017, 213603, 498407, 925613, 1495221, 2776839, 6479291, 19437873]

約数ペア:

[(1, 19437873), (3, 6479291), (7, 2776839), (13, 1495221), (21, 925613), (39, 498407), (91, 213603), (169, 115017), (273, 71201), (507, 38339), (1183, 16431), (3549, 5477)]