19687572

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{269}}^1$

素因数の和:405

約数の個数: 72

約数和(自身を含む): 53071200

約数和(自身を除く): 33383628

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 107, 114, 171, 214, 228, 269, 321, 342, 428, 538, 642, 684, 807, 963, 1076, 1284, 1614, 1926, 2033, 2421, 3228, 3852, 4066, 4842, 5111, 6099, 8132, 9684, 10222, 12198, 15333, 18297, 20444, 24396, 28783, 30666, 36594, 45999, 57566, 61332, 73188, 86349, 91998, 115132, 172698, 183996, 259047, 345396, 518094, 546877, 1036188, 1093754, 1640631, 2187508, 3281262, 4921893, 6562524, 9843786, 19687572]

約数ペア:

[(1, 19687572), (2, 9843786), (3, 6562524), (4, 4921893), (6, 3281262), (9, 2187508), (12, 1640631), (18, 1093754), (19, 1036188), (36, 546877), (38, 518094), (57, 345396), (76, 259047), (107, 183996), (114, 172698), (171, 115132), (214, 91998), (228, 86349), (269, 73188), (321, 61332), (342, 57566), (428, 45999), (538, 36594), (642, 30666), (684, 28783), (807, 24396), (963, 20444), (1076, 18297), (1284, 15333), (1614, 12198), (1926, 10222), (2033, 9684), (2421, 8132), (3228, 6099), (3852, 5111), (4066, 4842)]