19003216895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{463}}^1\times {\mathrm{15401}}^1$

素因数の和:15923

約数の個数: 32

約数和(自身を含む): 25212950784

約数和(自身を除く): 6209733889

約数列:

[1, 5, 13, 41, 65, 205, 463, 533, 2315, 2665, 6019, 15401, 18983, 30095, 77005, 94915, 200213, 246779, 631441, 1001065, 1233895, 3157205, 7130663, 8208733, 35653315, 41043665, 92698619, 292357183, 463493095, 1461785915, 3800643379, 19003216895]

約数ペア:

[(1, 19003216895), (5, 3800643379), (13, 1461785915), (41, 463493095), (65, 292357183), (205, 92698619), (463, 41043665), (533, 35653315), (2315, 8208733), (2665, 7130663), (6019, 3157205), (15401, 1233895), (18983, 1001065), (30095, 631441), (77005, 246779), (94915, 200213)]