19463920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{34757}}^1$

素因数の和:34777

約数の個数: 40

約数和(自身を含む): 51719904

約数和(自身を除く): 32255984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 34757, 69514, 139028, 173785, 243299, 278056, 347570, 486598, 556112, 695140, 973196, 1216495, 1390280, 1946392, 2432990, 2780560, 3892784, 4865980, 9731960, 19463920]

約数ペア:

[(1, 19463920), (2, 9731960), (4, 4865980), (5, 3892784), (7, 2780560), (8, 2432990), (10, 1946392), (14, 1390280), (16, 1216495), (20, 973196), (28, 695140), (35, 556112), (40, 486598), (56, 347570), (70, 278056), (80, 243299), (112, 173785), (140, 139028), (280, 69514), (560, 34757)]