19561305

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1871}}^1$

素因数の和:1937

約数の個数: 32

約数和(自身を含む): 33965568

約数和(自身を除く): 14404263

約数列:

[1, 3, 5, 15, 17, 41, 51, 85, 123, 205, 255, 615, 697, 1871, 2091, 3485, 5613, 9355, 10455, 28065, 31807, 76711, 95421, 159035, 230133, 383555, 477105, 1150665, 1304087, 3912261, 6520435, 19561305]

約数ペア:

[(1, 19561305), (3, 6520435), (5, 3912261), (15, 1304087), (17, 1150665), (41, 477105), (51, 383555), (85, 230133), (123, 159035), (205, 95421), (255, 76711), (615, 31807), (697, 28065), (1871, 10455), (2091, 9355), (3485, 5613)]