19485712

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{11173}}^1$

素因数の和:11290

約数の個数: 20

約数和(自身を含む): 38103340

約数和(自身を除く): 18617628

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 11173, 22346, 44692, 89384, 178768, 1217857, 2435714, 4871428, 9742856, 19485712]

約数ペア:

[(1, 19485712), (2, 9742856), (4, 4871428), (8, 2435714), (16, 1217857), (109, 178768), (218, 89384), (436, 44692), (872, 22346), (1744, 11173)]