19483480

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{4729}}^1$

素因数の和:4843

約数の個数: 32

約数和(自身を含む): 44272800

約数和(自身を除く): 24789320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 4729, 9458, 18916, 23645, 37832, 47290, 94580, 189160, 487087, 974174, 1948348, 2435435, 3896696, 4870870, 9741740, 19483480]

約数ペア:

[(1, 19483480), (2, 9741740), (4, 4870870), (5, 3896696), (8, 2435435), (10, 1948348), (20, 974174), (40, 487087), (103, 189160), (206, 94580), (412, 47290), (515, 37832), (824, 23645), (1030, 18916), (2060, 9458), (4120, 4729)]