18604516

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{4127}}^1$

素因数の和:4168

約数の個数: 36

約数和(自身を含む): 39529728

約数和(自身を除く): 20925212

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 322, 644, 1127, 2254, 4127, 4508, 8254, 16508, 28889, 57778, 94921, 115556, 189842, 202223, 379684, 404446, 664447, 808892, 1328894, 2657788, 4651129, 9302258, 18604516]

約数ペア:

[(1, 18604516), (2, 9302258), (4, 4651129), (7, 2657788), (14, 1328894), (23, 808892), (28, 664447), (46, 404446), (49, 379684), (92, 202223), (98, 189842), (161, 115556), (196, 94921), (322, 57778), (644, 28889), (1127, 16508), (2254, 8254), (4127, 4508)]