19416628

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^3\times {\mathrm{521}}^1$

素因数の和:565

約数の個数: 48

約数和(自身を含む): 42795648

約数和(自身を除く): 23379020

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 484, 521, 847, 1042, 1331, 1694, 2084, 2662, 3388, 3647, 5324, 5731, 7294, 9317, 11462, 14588, 18634, 22924, 37268, 40117, 63041, 80234, 126082, 160468, 252164, 441287, 693451, 882574, 1386902, 1765148, 2773804, 4854157, 9708314, 19416628]

約数ペア:

[(1, 19416628), (2, 9708314), (4, 4854157), (7, 2773804), (11, 1765148), (14, 1386902), (22, 882574), (28, 693451), (44, 441287), (77, 252164), (121, 160468), (154, 126082), (242, 80234), (308, 63041), (484, 40117), (521, 37268), (847, 22924), (1042, 18634), (1331, 14588), (1694, 11462), (2084, 9317), (2662, 7294), (3388, 5731), (3647, 5324)]