19871652

素因数分解:

$2^2\times 3^1\times {\mathrm{131}}^1\times {\mathrm{12641}}^1$

素因数の和:12779

約数の個数: 24

約数和(自身を含む): 46724832

約数和(自身を除く): 26853180

約数列:

[1, 2, 3, 4, 6, 12, 131, 262, 393, 524, 786, 1572, 12641, 25282, 37923, 50564, 75846, 151692, 1655971, 3311942, 4967913, 6623884, 9935826, 19871652]

約数ペア:

[(1, 19871652), (2, 9935826), (3, 6623884), (4, 4967913), (6, 3311942), (12, 1655971), (131, 151692), (262, 75846), (393, 50564), (524, 37923), (786, 25282), (1572, 12641)]