18132272

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{263}}^1$

素因数の和:441

約数の個数: 40

約数和(自身を含む): 36664320

約数和(自身を除く): 18532048

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 139, 248, 263, 278, 496, 526, 556, 1052, 1112, 2104, 2224, 4208, 4309, 8153, 8618, 16306, 17236, 32612, 34472, 36557, 65224, 68944, 73114, 130448, 146228, 292456, 584912, 1133267, 2266534, 4533068, 9066136, 18132272]

約数ペア:

[(1, 18132272), (2, 9066136), (4, 4533068), (8, 2266534), (16, 1133267), (31, 584912), (62, 292456), (124, 146228), (139, 130448), (248, 73114), (263, 68944), (278, 65224), (496, 36557), (526, 34472), (556, 32612), (1052, 17236), (1112, 16306), (2104, 8618), (2224, 8153), (4208, 4309)]