18564308

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 38648064

約数和(自身を除く): 20083756

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 103, 157, 164, 206, 287, 314, 412, 574, 628, 721, 1099, 1148, 1442, 2198, 2884, 4223, 4396, 6437, 8446, 12874, 16171, 16892, 25748, 29561, 32342, 45059, 59122, 64684, 90118, 113197, 118244, 180236, 226394, 452788, 663011, 1326022, 2652044, 4641077, 9282154, 18564308]

約数ペア:

[(1, 18564308), (2, 9282154), (4, 4641077), (7, 2652044), (14, 1326022), (28, 663011), (41, 452788), (82, 226394), (103, 180236), (157, 118244), (164, 113197), (206, 90118), (287, 64684), (314, 59122), (412, 45059), (574, 32342), (628, 29561), (721, 25748), (1099, 16892), (1148, 16171), (1442, 12874), (2198, 8446), (2884, 6437), (4223, 4396)]