19687906

素因数分解:

$2^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{2543}}^1$

素因数の和:2638

約数の個数: 24

約数和(自身を含む): 34801920

約数和(自身を除く): 15114014

約数列:

[1, 2, 7, 14, 49, 79, 98, 158, 553, 1106, 2543, 3871, 5086, 7742, 17801, 35602, 124607, 200897, 249214, 401794, 1406279, 2812558, 9843953, 19687906]

約数ペア:

[(1, 19687906), (2, 9843953), (7, 2812558), (14, 1406279), (49, 401794), (79, 249214), (98, 200897), (158, 124607), (553, 35602), (1106, 17801), (2543, 7742), (3871, 5086)]