18935049

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:429

約数の個数: 32

約数和(自身を含む): 30412800

約数和(自身を除く): 11477751

約数列:

[1, 3, 7, 21, 23, 69, 161, 197, 199, 483, 591, 597, 1379, 1393, 4137, 4179, 4531, 4577, 13593, 13731, 31717, 32039, 39203, 95151, 96117, 117609, 274421, 823263, 901669, 2705007, 6311683, 18935049]

約数ペア:

[(1, 18935049), (3, 6311683), (7, 2705007), (21, 901669), (23, 823263), (69, 274421), (161, 117609), (197, 96117), (199, 95151), (483, 39203), (591, 32039), (597, 31717), (1379, 13731), (1393, 13593), (4137, 4577), (4179, 4531)]