19560456

素因数分解:

$2^3\times 3^2\times {\mathrm{107}}^1\times {\mathrm{2539}}^1$

素因数の和:2658

約数の個数: 48

約数和(自身を含む): 53492400

約数和(自身を除く): 33931944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 107, 214, 321, 428, 642, 856, 963, 1284, 1926, 2539, 2568, 3852, 5078, 7617, 7704, 10156, 15234, 20312, 22851, 30468, 45702, 60936, 91404, 182808, 271673, 543346, 815019, 1086692, 1630038, 2173384, 2445057, 3260076, 4890114, 6520152, 9780228, 19560456]

約数ペア:

[(1, 19560456), (2, 9780228), (3, 6520152), (4, 4890114), (6, 3260076), (8, 2445057), (9, 2173384), (12, 1630038), (18, 1086692), (24, 815019), (36, 543346), (72, 271673), (107, 182808), (214, 91404), (321, 60936), (428, 45702), (642, 30468), (856, 22851), (963, 20312), (1284, 15234), (1926, 10156), (2539, 7704), (2568, 7617), (3852, 5078)]