18889612

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{4297}}^1$

素因数の和:4465

約数の個数: 24

約数和(自身を含む): 38028704

約数和(自身を除く): 19139092

約数列:

[1, 2, 4, 7, 14, 28, 157, 314, 628, 1099, 2198, 4297, 4396, 8594, 17188, 30079, 60158, 120316, 674629, 1349258, 2698516, 4722403, 9444806, 18889612]

約数ペア:

[(1, 18889612), (2, 9444806), (4, 4722403), (7, 2698516), (14, 1349258), (28, 674629), (157, 120316), (314, 60158), (628, 30079), (1099, 17188), (2198, 8594), (4297, 4396)]