18410528

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1$

素因数の和:385

約数の個数: 48

約数和(自身を含む): 38110464

約数和(自身を除く): 19699936

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 67, 124, 134, 248, 268, 277, 496, 536, 554, 992, 1072, 1108, 2077, 2144, 2216, 4154, 4432, 8308, 8587, 8864, 16616, 17174, 18559, 33232, 34348, 37118, 66464, 68696, 74236, 137392, 148472, 274784, 296944, 575329, 593888, 1150658, 2301316, 4602632, 9205264, 18410528]

約数ペア:

[(1, 18410528), (2, 9205264), (4, 4602632), (8, 2301316), (16, 1150658), (31, 593888), (32, 575329), (62, 296944), (67, 274784), (124, 148472), (134, 137392), (248, 74236), (268, 68696), (277, 66464), (496, 37118), (536, 34348), (554, 33232), (992, 18559), (1072, 17174), (1108, 16616), (2077, 8864), (2144, 8587), (2216, 8308), (4154, 4432)]