18936428

素因数分解:

$2^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{3433}}^1$

素因数の和:3641

約数の個数: 24

約数和(自身を含む): 38076192

約数和(自身を除く): 19139764

約数列:

[1, 2, 4, 7, 14, 28, 197, 394, 788, 1379, 2758, 3433, 5516, 6866, 13732, 24031, 48062, 96124, 676301, 1352602, 2705204, 4734107, 9468214, 18936428]

約数ペア:

[(1, 18936428), (2, 9468214), (4, 4734107), (7, 2705204), (14, 1352602), (28, 676301), (197, 96124), (394, 48062), (788, 24031), (1379, 13732), (2758, 6866), (3433, 5516)]