19951148

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{11681}}^1$

素因数の和:11753

約数の個数: 24

約数和(自身を含む): 40559904

約数和(自身を除く): 20608756

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 11681, 23362, 46724, 81767, 163534, 327068, 712541, 1425082, 2850164, 4987787, 9975574, 19951148]

約数ペア:

[(1, 19951148), (2, 9975574), (4, 4987787), (7, 2850164), (14, 1425082), (28, 712541), (61, 327068), (122, 163534), (244, 81767), (427, 46724), (854, 23362), (1708, 11681)]