18220312

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{6679}}^1$

素因数の和:6727

約数の個数: 32

約数和(自身を含む): 38476800

約数和(自身を除く): 20256488

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 248, 341, 682, 1364, 2728, 6679, 13358, 26716, 53432, 73469, 146938, 207049, 293876, 414098, 587752, 828196, 1656392, 2277539, 4555078, 9110156, 18220312]

約数ペア:

[(1, 18220312), (2, 9110156), (4, 4555078), (8, 2277539), (11, 1656392), (22, 828196), (31, 587752), (44, 414098), (62, 293876), (88, 207049), (124, 146938), (248, 73469), (341, 53432), (682, 26716), (1364, 13358), (2728, 6679)]