18858664

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{223}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 40037760

約数和(自身を除く): 21179096

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 223, 248, 341, 446, 682, 892, 961, 1364, 1784, 1922, 2453, 2728, 3844, 4906, 6913, 7688, 9812, 10571, 13826, 19624, 21142, 27652, 42284, 55304, 76043, 84568, 152086, 214303, 304172, 428606, 608344, 857212, 1714424, 2357333, 4714666, 9429332, 18858664]

約数ペア:

[(1, 18858664), (2, 9429332), (4, 4714666), (8, 2357333), (11, 1714424), (22, 857212), (31, 608344), (44, 428606), (62, 304172), (88, 214303), (124, 152086), (223, 84568), (248, 76043), (341, 55304), (446, 42284), (682, 27652), (892, 21142), (961, 19624), (1364, 13826), (1784, 10571), (1922, 9812), (2453, 7688), (2728, 6913), (3844, 4906)]