18379768

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{631}}^1$

素因数の和:979

約数の個数: 32

約数和(自身を含む): 37768320

約数和(自身を除く): 19388552

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 331, 631, 662, 1262, 1324, 2524, 2648, 3641, 5048, 6941, 7282, 13882, 14564, 27764, 29128, 55528, 208861, 417722, 835444, 1670888, 2297471, 4594942, 9189884, 18379768]

約数ペア:

[(1, 18379768), (2, 9189884), (4, 4594942), (8, 2297471), (11, 1670888), (22, 835444), (44, 417722), (88, 208861), (331, 55528), (631, 29128), (662, 27764), (1262, 14564), (1324, 13882), (2524, 7282), (2648, 6941), (3641, 5048)]