18275344

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{263}}^1$

素因数の和:415

約数の個数: 40

約数和(自身を含む): 36729792

約数和(自身を除く): 18454448

約数列:

[1, 2, 4, 8, 16, 43, 86, 101, 172, 202, 263, 344, 404, 526, 688, 808, 1052, 1616, 2104, 4208, 4343, 8686, 11309, 17372, 22618, 26563, 34744, 45236, 53126, 69488, 90472, 106252, 180944, 212504, 425008, 1142209, 2284418, 4568836, 9137672, 18275344]

約数ペア:

[(1, 18275344), (2, 9137672), (4, 4568836), (8, 2284418), (16, 1142209), (43, 425008), (86, 212504), (101, 180944), (172, 106252), (202, 90472), (263, 69488), (344, 53126), (404, 45236), (526, 34744), (688, 26563), (808, 22618), (1052, 17372), (1616, 11309), (2104, 8686), (4208, 4343)]