18102128

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{631}}^1$

素因数の和:813

約数の個数: 40

約数和(自身を含む): 38557056

約数和(自身を除く): 20454928

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 163, 176, 326, 631, 652, 1262, 1304, 1793, 2524, 2608, 3586, 5048, 6941, 7172, 10096, 13882, 14344, 27764, 28688, 55528, 102853, 111056, 205706, 411412, 822824, 1131383, 1645648, 2262766, 4525532, 9051064, 18102128]

約数ペア:

[(1, 18102128), (2, 9051064), (4, 4525532), (8, 2262766), (11, 1645648), (16, 1131383), (22, 822824), (44, 411412), (88, 205706), (163, 111056), (176, 102853), (326, 55528), (631, 28688), (652, 27764), (1262, 14344), (1304, 13882), (1793, 10096), (2524, 7172), (2608, 6941), (3586, 5048)]