18063328

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:311

約数の個数: 48

約数和(自身を含む): 37255680

約数和(自身を除く): 19192352

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 131, 139, 248, 262, 278, 496, 524, 556, 992, 1048, 1112, 2096, 2224, 4061, 4192, 4309, 4448, 8122, 8618, 16244, 17236, 18209, 32488, 34472, 36418, 64976, 68944, 72836, 129952, 137888, 145672, 291344, 564479, 582688, 1128958, 2257916, 4515832, 9031664, 18063328]

約数ペア:

[(1, 18063328), (2, 9031664), (4, 4515832), (8, 2257916), (16, 1128958), (31, 582688), (32, 564479), (62, 291344), (124, 145672), (131, 137888), (139, 129952), (248, 72836), (262, 68944), (278, 64976), (496, 36418), (524, 34472), (556, 32488), (992, 18209), (1048, 17236), (1112, 16244), (2096, 8618), (2224, 8122), (4061, 4448), (4192, 4309)]