1808996

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^2$

素因数の和:140

約数の個数: 36

約数和(自身を含む): 3847872

約数和(自身を除く): 2038876

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 53, 92, 106, 161, 212, 322, 371, 644, 742, 1219, 1484, 2438, 2809, 4876, 5618, 8533, 11236, 17066, 19663, 34132, 39326, 64607, 78652, 129214, 258428, 452249, 904498, 1808996]

約数ペア:

[(1, 1808996), (2, 904498), (4, 452249), (7, 258428), (14, 129214), (23, 78652), (28, 64607), (46, 39326), (53, 34132), (92, 19663), (106, 17066), (161, 11236), (212, 8533), (322, 5618), (371, 4876), (644, 2809), (742, 2438), (1219, 1484)]