19899068

素因数分解:

$2^2\times 7^1\times {\mathrm{569}}^1\times {\mathrm{1249}}^1$

素因数の和:1829

約数の個数: 24

約数和(自身を含む): 39900000

約数和(自身を除く): 20000932

約数列:

[1, 2, 4, 7, 14, 28, 569, 1138, 1249, 2276, 2498, 3983, 4996, 7966, 8743, 15932, 17486, 34972, 710681, 1421362, 2842724, 4974767, 9949534, 19899068]

約数ペア:

[(1, 19899068), (2, 9949534), (4, 4974767), (7, 2842724), (14, 1421362), (28, 710681), (569, 34972), (1138, 17486), (1249, 15932), (2276, 8743), (2498, 7966), (3983, 4996)]