18419037

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:162

約数の個数: 64

約数和(自身を含む): 32901120

約数和(自身を除く): 14482083

約数列:

[1, 3, 7, 13, 19, 21, 39, 53, 57, 67, 91, 133, 159, 201, 247, 273, 371, 399, 469, 689, 741, 871, 1007, 1113, 1273, 1407, 1729, 2067, 2613, 3021, 3551, 3819, 4823, 5187, 6097, 7049, 8911, 10653, 13091, 14469, 16549, 18291, 21147, 24857, 26733, 39273, 46163, 49647, 67469, 74571, 91637, 115843, 138489, 202407, 274911, 323141, 347529, 472283, 877097, 969423, 1416849, 2631291, 6139679, 18419037]

約数ペア:

[(1, 18419037), (3, 6139679), (7, 2631291), (13, 1416849), (19, 969423), (21, 877097), (39, 472283), (53, 347529), (57, 323141), (67, 274911), (91, 202407), (133, 138489), (159, 115843), (201, 91637), (247, 74571), (273, 67469), (371, 49647), (399, 46163), (469, 39273), (689, 26733), (741, 24857), (871, 21147), (1007, 18291), (1113, 16549), (1273, 14469), (1407, 13091), (1729, 10653), (2067, 8911), (2613, 7049), (3021, 6097), (3551, 5187), (3819, 4823)]