18788504

素因数分解:

$2^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2137}}^1$

素因数の和:2307

約数の個数: 32

約数和(自身を含む): 40536480

約数和(自身を除く): 21747976

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 157, 314, 628, 1099, 1256, 2137, 2198, 4274, 4396, 8548, 8792, 14959, 17096, 29918, 59836, 119672, 335509, 671018, 1342036, 2348563, 2684072, 4697126, 9394252, 18788504]

約数ペア:

[(1, 18788504), (2, 9394252), (4, 4697126), (7, 2684072), (8, 2348563), (14, 1342036), (28, 671018), (56, 335509), (157, 119672), (314, 59836), (628, 29918), (1099, 17096), (1256, 14959), (2137, 8792), (2198, 8548), (4274, 4396)]