18173841

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{197}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 29196288

約数和(自身を除く): 11022447

約数列:

[1, 3, 7, 21, 23, 69, 161, 191, 197, 483, 573, 591, 1337, 1379, 4011, 4137, 4393, 4531, 13179, 13593, 30751, 31717, 37627, 92253, 95151, 112881, 263389, 790167, 865421, 2596263, 6057947, 18173841]

約数ペア:

[(1, 18173841), (3, 6057947), (7, 2596263), (21, 865421), (23, 790167), (69, 263389), (161, 112881), (191, 95151), (197, 92253), (483, 37627), (573, 31717), (591, 30751), (1337, 13593), (1379, 13179), (4011, 4531), (4137, 4393)]