19479888

素因数分解:

$2^4\times 3^2\times {\mathrm{135277}}^1$

素因数の和:135291

約数の個数: 30

約数和(自身を含む): 54517034

約数和(自身を除く): 35037146

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 135277, 270554, 405831, 541108, 811662, 1082216, 1217493, 1623324, 2164432, 2434986, 3246648, 4869972, 6493296, 9739944, 19479888]

約数ペア:

[(1, 19479888), (2, 9739944), (3, 6493296), (4, 4869972), (6, 3246648), (8, 2434986), (9, 2164432), (12, 1623324), (16, 1217493), (18, 1082216), (24, 811662), (36, 541108), (48, 405831), (72, 270554), (144, 135277)]